20122100102120 has 64 divisors (see below), whose sum is σ = 46380555925200. Its totient is φ = 7852261201920.

The previous prime is 20122100102113. The next prime is 20122100102141. The reversal of 20122100102120 is 2120100122102.

It can be written as a sum of positive squares in 8 ways, for example, as 1746526119844 + 18375573982276 = 1321562^2 + 4286674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20122100102095 and 20122100102104.

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, 52336022 + ... + 52719098.

Almost surely, 2^{20122100102120} is an apocalyptic number.

20122100102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122100102120 is an abundant number, since it is smaller than the sum of its proper divisors (26258455823080).

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

20122100102120 is a wasteful number, since it uses less digits than its factorization.

20122100102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415158 (or 415154 counting only the distinct ones).

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

Adding to 20122100102120 its reverse (2120100122102), we get a palindrome (22242200224222).

The spelling of 20122100102120 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, one hundred two thousand, one hundred twenty".