1022111220120 has 32 divisors (see below), whose sum is σ = 3066333660720. Its totient is φ = 272562992000.

The previous prime is 1022111220107. The next prime is 1022111220161. The reversal of 1022111220120 is 210221112201.

It is a super-2 number, since 2×1022111220120² (a number of 25 digits) contains 22 as substring.

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 1022111220120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4258796631 + ... + 4258796870.

Almost surely, 2^{1022111220120} is an apocalyptic number.

1022111220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022111220120 is an abundant number, since it is smaller than the sum of its proper divisors (2044222440600).

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

1022111220120 is a wasteful number, since it uses less digits than its factorization.

1022111220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8517593515 (or 8517593511 counting only the distinct ones).

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

Adding to 1022111220120 its reverse (210221112201), we get a palindrome (1232332332321).

The spelling of 1022111220120 in words is "one trillion, twenty-two billion, one hundred eleven million, two hundred twenty thousand, one hundred twenty".