121032222020 has 48 divisors (see below), whose sum is σ = 259638317568. Its totient is φ = 47371359360.

The previous prime is 121032222019. The next prime is 121032222049. The reversal of 121032222020 is 20222230121.

It is a self number, because there is not a number n which added to its sum of digits gives 121032222020.

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, 4595690 + ... + 4621950.

It is an arithmetic number, because the mean of its divisors is an integer number (5409131616).

Almost surely, 2^121032222020 is an apocalyptic number.

121032222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121032222020 is an abundant number, since it is smaller than the sum of its proper divisors (138606095548).

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

121032222020 is a wasteful number, since it uses less digits than its factorization.

121032222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31220 (or 31218 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 121032222020 its reverse (20222230121), we get a palindrome (141254452141).

The spelling of 121032222020 in words is "one hundred twenty-one billion, thirty-two million, two hundred twenty-two thousand, twenty".