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10101022122112 = 27618233157133
BaseRepresentation
bin1001001011111101001111…
…0101011110000010000000
31022202122111121011210000121
42102333103311132002000
52310443343130401422
633252202343430024
72061526513251535
oct222772365360200
938678447153017
1010101022122112
113244901722639
12117178ba55314
135836a364c43c
1426cc6bc18d8c
15127b3dc7d8c7
hex92fd3d5e080

10101022122112 has 64 divisors (see below), whose sum is σ = 20455631838360. Its totient is φ = 4967080796160.

The previous prime is 10101022122109. The next prime is 10101022122119. The reversal of 10101022122112 is 21122122010101.

It can be written as a sum of positive squares in 4 ways, for example, as 1990966152256 + 8110055969856 = 1411016^2 + 2847816^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×101010221221122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (10101022122119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64204698 + ... + 64361830.

Almost surely, 210101022122112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10101022122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10227815919180).

10101022122112 is an abundant number, since it is smaller than the sum of its proper divisors (10354609716248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101022122112 is an equidigital number, since it uses as much as digits as its factorization.

10101022122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165441 (or 165429 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10101022122112 its reverse (21122122010101), we get a palindrome (31223144132213).

The spelling of 10101022122112 in words is "ten trillion, one hundred one billion, twenty-two million, one hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 61 64 122 128 244 488 976 1952 3904 7808 8233 16466 32932 65864 131728 157133 263456 314266 502213 526912 628532 1004426 1053824 1257064 2008852 2514128 4017704 5028256 8035408 9585113 10056512 16070816 19170226 20113024 32141632 38340452 64283264 76680904 153361808 306723616 613447232 1226894464 1293675989 2587351978 5174703956 10349407912 20698815824 41397631648 78914235329 82795263296 157828470658 165590526592 315656941316 631313882632 1262627765264 2525255530528 5050511061056 10101022122112