20122101020100 has 72 divisors (see below), whose sum is σ = 58220755695648. Its totient is φ = 5365818944000.

The previous prime is 20122101020027. The next prime is 20122101020123. The reversal of 20122101020100 is 102010122102.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 23112700 + ... + 23967500.

It is an arithmetic number, because the mean of its divisors is an integer number (808621606884).

Almost surely, 2^{20122101020100} is an apocalyptic number.

20122101020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122101020100 is an abundant number, since it is smaller than the sum of its proper divisors (38098654675548).

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

20122101020100 is a wasteful number, since it uses less digits than its factorization.

20122101020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933285 (or 933278 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20122101020100 its reverse (102010122102), we get a palindrome (20224111142202).

The spelling of 20122101020100 in words is "twenty trillion, one hundred twenty-two billion, one hundred one million, twenty thousand, one hundred".