1020220112120 has 64 divisors (see below), whose sum is σ = 2510484818400. Its totient is φ = 370054586880.

The previous prime is 1020220112101. The next prime is 1020220112167. The reversal of 1020220112120 is 212110220201.

It is a junction number, because it is equal to n+sod(n) for n = 1020220112095 and 1020220112104.

It is a congruent number.

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, 2745575 + ... + 3094934.

Almost surely, 2^{1020220112120} is an apocalyptic number.

1020220112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020220112120 is an abundant number, since it is smaller than the sum of its proper divisors (1490264706280).

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

1020220112120 is a wasteful number, since it uses less digits than its factorization.

1020220112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840928 (or 5840924 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020220112120 its reverse (212110220201), we get a palindrome (1232330332321).

The spelling of 1020220112120 in words is "one trillion, twenty billion, two hundred twenty million, one hundred twelve thousand, one hundred twenty".