102001211220122 has 16 divisors (see below), whose sum is σ = 157948225212672. Its totient is φ = 49352029188960.

The previous prime is 102001211220061. The next prime is 102001211220151. The reversal of 102001211220122 is 221022112100201.

It is a self number, because there is not a number n which added to its sum of digits gives 102001211220122.

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, 55684688 + ... + 57487275.

It is an arithmetic number, because the mean of its divisors is an integer number (9871764075792).

Almost surely, 2^{102001211220122} is an apocalyptic number.

102001211220122 is a deficient number, since it is larger than the sum of its proper divisors (55947013992550).

102001211220122 is a wasteful number, since it uses less digits than its factorization.

102001211220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113186533.

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

Adding to 102001211220122 its reverse (221022112100201), we get a palindrome (323023323320323).

The spelling of 102001211220122 in words is "one hundred two trillion, one billion, two hundred eleven million, two hundred twenty thousand, one hundred twenty-two".