120022111002120 has 128 divisors (see below), whose sum is σ = 363387759062400. Its totient is φ = 31710868926464.

The previous prime is 120022111002061. The next prime is 120022111002193. The reversal of 120022111002120 is 21200111220021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120022111002120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34873711 + ... + 38160449.

It is an arithmetic number, because the mean of its divisors is an integer number (2838966867675).

Almost surely, 2^{120022111002120} is an apocalyptic number.

120022111002120 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 120022111002120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181693879531200).

120022111002120 is an abundant number, since it is smaller than the sum of its proper divisors (243365648060280).

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

120022111002120 is a wasteful number, since it uses less digits than its factorization.

120022111002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289559 (or 3289555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120022111002120 its reverse (21200111220021), we get a palindrome (141222222222141).

The spelling of 120022111002120 in words is "one hundred twenty trillion, twenty-two billion, one hundred eleven million, two thousand, one hundred twenty".