120112021121000 has 64 divisors (see below), whose sum is σ = 281080806486480. Its totient is φ = 48041615788800.

The previous prime is 120112021120967. The next prime is 120112021121041. The reversal of 120112021121000 is 121120211021.

It can be written as a sum of positive squares in 8 ways, for example, as 25881007926244 + 94231013194756 = 5087338^2 + 9707266^2 .

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, 11093714 + ... + 19060286.

Almost surely, 2^{120112021121000} is an apocalyptic number.

120112021121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112021121000 is an abundant number, since it is smaller than the sum of its proper divisors (160968785365480).

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

120112021121000 is a wasteful number, since it uses less digits than its factorization.

120112021121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981671 (or 7981657 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120112021121000 its reverse (121120211021), we get a palindrome (120233141332021).

The spelling of 120112021121000 in words is "one hundred twenty trillion, one hundred twelve billion, twenty-one million, one hundred twenty-one thousand".