102221022020122 has 16 divisors (see below), whose sum is σ = 153594613141632. Its totient is φ = 51022859756400.

The previous prime is 102221022020113. The next prime is 102221022020171. The reversal of 102221022020122 is 221020220122201.

It is a self number, because there is not a number n which added to its sum of digits gives 102221022020122.

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, 5671998 + ... + 15382249.

It is an arithmetic number, because the mean of its divisors is an integer number (9599663321352).

Almost surely, 2^{102221022020122} is an apocalyptic number.

102221022020122 is a deficient number, since it is larger than the sum of its proper divisors (51373591121510).

102221022020122 is a wasteful number, since it uses less digits than its factorization.

102221022020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21058413.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102221022020122 its reverse (221020220122201), we get a palindrome (323241242142323).

The spelling of 102221022020122 in words is "one hundred two trillion, two hundred twenty-one billion, twenty-two million, twenty thousand, one hundred twenty-two".