122020120021100 has 72 divisors (see below), whose sum is σ = 303400002490368. Its totient is φ = 41726238638400.

The previous prime is 122020120021061. The next prime is 122020120021141. The reversal of 122020120021100 is 1120021020221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227296466 + ... + 227832665.

Almost surely, 2^{122020120021100} is an apocalyptic number.

122020120021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020120021100 is an abundant number, since it is smaller than the sum of its proper divisors (181379882469268).

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

122020120021100 is a wasteful number, since it uses less digits than its factorization.

122020120021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455129535 (or 455129528 counting only the distinct ones).

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

Adding to 122020120021100 its reverse (1120021020221), we get a palindrome (123140141041321).

The spelling of 122020120021100 in words is "one hundred twenty-two trillion, twenty billion, one hundred twenty million, twenty-one thousand, one hundred".