112131211220 has 96 divisors (see below), whose sum is σ = 270148919040. Its totient is φ = 38297594880.

The previous prime is 112131211211. The next prime is 112131211223. The reversal of 112131211220 is 22112131211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131211223) 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, 53675936 + ... + 53678024.

It is an arithmetic number, because the mean of its divisors is an integer number (2814051240).

Almost surely, 2^112131211220 is an apocalyptic number.

112131211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112131211220 is an abundant number, since it is smaller than the sum of its proper divisors (158017707820).

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

112131211220 is a wasteful number, since it uses less digits than its factorization.

112131211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393 (or 3391 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 112131211220 its reverse (22112131211), we get a palindrome (134243342431).

The spelling of 112131211220 in words is "one hundred twelve billion, one hundred thirty-one million, two hundred eleven thousand, two hundred twenty".