102021220010122 has 16 divisors (see below), whose sum is σ = 175809192901632. Its totient is φ = 43494461783280.

The previous prime is 102021220010117. The next prime is 102021220010153. The reversal of 102021220010122 is 221010022120201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102021220010096 and 102021220010105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19076515653 + ... + 19076521000.

It is an arithmetic number, because the mean of its divisors is an integer number (10988074556352).

Almost surely, 2^{102021220010122} is an apocalyptic number.

102021220010122 is a deficient number, since it is larger than the sum of its proper divisors (73787972891510).

102021220010122 is a wasteful number, since it uses less digits than its factorization.

102021220010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38153036853.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102021220010122 its reverse (221010022120201), we get a palindrome (323031242130323).

The spelling of 102021220010122 in words is "one hundred two trillion, twenty-one billion, two hundred twenty million, ten thousand, one hundred twenty-two".