102001221111122 has 64 divisors (see below), whose sum is σ = 170968533840000. Its totient is φ = 45356878651392.

The previous prime is 102001221111113. The next prime is 102001221111191. The reversal of 102001221111122 is 221111122100201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 102001221111122.

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 31 ways as a sum of consecutive naturals, for example, 2338007873 + ... + 2338051499.

It is an arithmetic number, because the mean of its divisors is an integer number (2671383341250).

Almost surely, 2^{102001221111122} is an apocalyptic number.

102001221111122 is a deficient number, since it is larger than the sum of its proper divisors (68967312728878).

102001221111122 is a wasteful number, since it uses less digits than its factorization.

102001221111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52923.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102001221111122 its reverse (221111122100201), we get a palindrome (323112343211323).

The spelling of 102001221111122 in words is "one hundred two trillion, one billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".