112221121120 has 24 divisors (see below), whose sum is σ = 265122399024. Its totient is φ = 44888448384.

The previous prime is 112221121093. The next prime is 112221121139. The reversal of 112221121120 is 21121122211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 112221121094 and 112221121103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350690844 + ... + 350691163.

It is an arithmetic number, because the mean of its divisors is an integer number (11046766626).

Almost surely, 2^112221121120 is an apocalyptic number.

112221121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112221121120 is an abundant number, since it is smaller than the sum of its proper divisors (152901277904).

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

112221121120 is an equidigital number, since it uses as much as digits as its factorization.

112221121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701382022 (or 701382014 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112221121120 its reverse (21121122211), we get a palindrome (133342243331).

The spelling of 112221121120 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty".