102001022121122 has 16 divisors (see below), whose sum is σ = 155397785401152. Its totient is φ = 50203994589840.

The previous prime is 102001022121109. The next prime is 102001022121157. The reversal of 102001022121122 is 221121220100201.

It is a self number, because there is not a number n which added to its sum of digits gives 102001022121122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558475613 + ... + 558658224.

It is an arithmetic number, because the mean of its divisors is an integer number (9712361587572).

Almost surely, 2^{102001022121122} is an apocalyptic number.

102001022121122 is a deficient number, since it is larger than the sum of its proper divisors (53396763280030).

102001022121122 is a wasteful number, since it uses less digits than its factorization.

102001022121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117134553.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102001022121122 its reverse (221121220100201), we get a palindrome (323122242221323).

The spelling of 102001022121122 in words is "one hundred two trillion, one billion, twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".