112121013320 has 64 divisors (see below), whose sum is σ = 257012680320. Its totient is φ = 44010768384.

The previous prime is 112121013283. The next prime is 112121013379. The reversal of 112121013320 is 23310121211.

It is a super-2 number, since 2×112121013320² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625304 + ... + 784376.

It is an arithmetic number, because the mean of its divisors is an integer number (4015823130).

Almost surely, 2^112121013320 is an apocalyptic number.

112121013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112121013320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128506340160).

112121013320 is an abundant number, since it is smaller than the sum of its proper divisors (144891667000).

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

112121013320 is a wasteful number, since it uses less digits than its factorization.

112121013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159414 (or 159410 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 112121013320 its reverse (23310121211), we get a palindrome (135431134531).

The spelling of 112121013320 in words is "one hundred twelve billion, one hundred twenty-one million, thirteen thousand, three hundred twenty".