120112021321100 has 36 divisors (see below), whose sum is σ = 260648864936208. Its totient is φ = 48043743336000.

The previous prime is 120112021321099. The next prime is 120112021321139. The reversal of 120112021321100 is 1123120211021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8774216 + ... + 17810415.

It is an arithmetic number, because the mean of its divisors is an integer number (7240246248228).

Almost surely, 2^{120112021321100} is an apocalyptic number.

120112021321100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112021321100 is an abundant number, since it is smaller than the sum of its proper divisors (140536843615108).

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

120112021321100 is a wasteful number, since it uses less digits than its factorization.

120112021321100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26629826 (or 26629819 counting only the distinct ones).

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

Adding to 120112021321100 its reverse (1123120211021), we get a palindrome (121235141532121).

The spelling of 120112021321100 in words is "one hundred twenty trillion, one hundred twelve billion, twenty-one million, three hundred twenty-one thousand, one hundred".