102021210101122 has 16 divisors (see below), whose sum is σ = 167912993115000. Its totient is φ = 46198283818752.

The previous prime is 102021210101101. The next prime is 102021210101179. The reversal of 102021210101122 is 221101012120201.

It can be written as a sum of positive squares in 4 ways, for example, as 87084152308321 + 14937057792801 = 9331889^2 + 3864849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102021210101096 and 102021210101105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37017854247 + ... + 37017857002.

Almost surely, 2^{102021210101122} is an apocalyptic number.

102021210101122 is a deficient number, since it is larger than the sum of its proper divisors (65891783013878).

102021210101122 is a wasteful number, since it uses less digits than its factorization.

102021210101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74035711317.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102021210101122 its reverse (221101012120201), we get a palindrome (323122222221323).

The spelling of 102021210101122 in words is "one hundred two trillion, twenty-one billion, two hundred ten million, one hundred one thousand, one hundred twenty-two".