112121044123220 has 96 divisors (see below), whose sum is σ = 273392399702016. Its totient is φ = 38172071782400.

The previous prime is 112121044123219. The next prime is 112121044123223. The reversal of 112121044123220 is 22321440121211.

It is a super-2 number, since 2×112121044123220² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112121044123220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121044123223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77764427 + ... + 79193106.

It is an arithmetic number, because the mean of its divisors is an integer number (2847837496896).

Almost surely, 2^{112121044123220} is an apocalyptic number.

112121044123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121044123220 is an abundant number, since it is smaller than the sum of its proper divisors (161271355578796).

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

112121044123220 is a wasteful number, since it uses less digits than its factorization.

112121044123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156957761 (or 156957759 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 112121044123220 its reverse (22321440121211), we get a palindrome (134442484244431).

The spelling of 112121044123220 in words is "one hundred twelve trillion, one hundred twenty-one billion, forty-four million, one hundred twenty-three thousand, two hundred twenty".