121344022020 has 96 divisors (see below), whose sum is σ = 368229835008. Its totient is φ = 29679017472.

The previous prime is 121344021983. The next prime is 121344022097. The reversal of 121344022020 is 20220443121.

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, 372984 + ... + 617903.

It is an arithmetic number, because the mean of its divisors is an integer number (3835727448).

Almost surely, 2^121344022020 is an apocalyptic number.

121344022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121344022020 is an abundant number, since it is smaller than the sum of its proper divisors (246885812988).

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

121344022020 is a wasteful number, since it uses less digits than its factorization.

121344022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991069 (or 991067 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 121344022020 its reverse (20220443121), we get a palindrome (141564465141).

The spelling of 121344022020 in words is "one hundred twenty-one billion, three hundred forty-four million, twenty-two thousand, twenty".