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10121012211 = 343235733287
BaseRepresentation
bin10010110110100001…
…00110001111110011
3222010100110200200010
421123100212033303
5131211434342321
64352144230003
7505544120142
oct113320461763
928110420603
1010121012211
114324058302
121b6560b303
13c53aaa02b
146c0263759
153e3813676
hex25b4263f3

10121012211 has 16 divisors (see below), whose sum is σ = 13814786304. Its totient is φ = 6587432544.

The previous prime is 10121012177. The next prime is 10121012233. The reversal of 10121012211 is 11221012101.

It is not a de Polignac number, because 10121012211 - 26 = 10121012147 is a prime.

It is a super-2 number, since 2×101210122112 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10121012911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287410 + ... + 320696.

It is an arithmetic number, because the mean of its divisors is an integer number (863424144).

Almost surely, 210121012211 is an apocalyptic number.

10121012211 is a deficient number, since it is larger than the sum of its proper divisors (3693774093).

10121012211 is a wasteful number, since it uses less digits than its factorization.

10121012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35690.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10121012211 its reverse (11221012101), we get a palindrome (21342024312).

The spelling of 10121012211 in words is "ten billion, one hundred twenty-one million, twelve thousand, two hundred eleven".

Divisors: 1 3 43 129 2357 7071 33287 99861 101351 304053 1431341 4294023 78457459 235372377 3373670737 10121012211