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101113122222 = 232747711012381
BaseRepresentation
bin101111000101011001…
…1111100110110101110
3100122222202011210212200
41132022303330312232
53124034424402342
6114241205042330
710206451233540
oct1361263746656
9318882153780
10101113122222
11399777a3322
121771a6b63a6
1396c5306148
144c72c17690
15296bd1394c
hex178acfcdae

101113122222 has 192 divisors, whose sum is σ = 261981278208. Its totient is φ = 27588960000.

The previous prime is 101113122221. The next prime is 101113122289. The reversal of 101113122222 is 222221311101.

It is a super-2 number, since 2×1011131222222 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101113122195 and 101113122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101113122221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42465472 + ... + 42467852.

It is an arithmetic number, because the mean of its divisors is an integer number (1364485824).

Almost surely, 2101113122222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101113122222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130990639104).

101113122222 is an abundant number, since it is smaller than the sum of its proper divisors (160868155986).

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

101113122222 is a wasteful number, since it uses less digits than its factorization.

101113122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 101113122222 its reverse (222221311101), we get a palindrome (323334433323).

The spelling of 101113122222 in words is "one hundred one billion, one hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-two".