21122210000112 has 80 divisors (see below), whose sum is σ = 58764152499360. Its totient is φ = 6499021971456.

The previous prime is 21122210000069. The next prime is 21122210000119. The reversal of 21122210000112 is 21100001222112.

It is a super-2 number, since 2×21122210000112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21122210000091 and 21122210000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122210000119) 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, 37264168 + ... + 37826744.

It is an arithmetic number, because the mean of its divisors is an integer number (734551906242).

Almost surely, 2^{21122210000112} is an apocalyptic number.

It is an amenable number.

21122210000112 is an abundant number, since it is smaller than the sum of its proper divisors (37641942499248).

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

21122210000112 is a wasteful number, since it uses less digits than its factorization.

21122210000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622770 (or 622764 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21122210000112 its reverse (21100001222112), we get a palindrome (42222211222224).

The spelling of 21122210000112 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred ten million, one hundred twelve", and thus it is an aban number.