102001222111122 has 24 divisors (see below), whose sum is σ = 224301194893776. Its totient is φ = 33492938603256.

The previous prime is 102001222111099. The next prime is 102001222111169. The reversal of 102001222111122 is 221111222100201.

102001222111122 is a `hidden beast` number, since 10 + 200 + 1 + 222 + 111 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102001222111095 and 102001222111104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42289062688 + ... + 42289065099.

It is an arithmetic number, because the mean of its divisors is an integer number (9345883120574).

Almost surely, 2^{102001222111122} is an apocalyptic number.

102001222111122 is an abundant number, since it is smaller than the sum of its proper divisors (122299972782654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102001222111122 is a wasteful number, since it uses less digits than its factorization.

102001222111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84578127862 (or 84578127859 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102001222111122 its reverse (221111222100201), we get a palindrome (323112444211323).

The spelling of 102001222111122 in words is "one hundred two trillion, one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twenty-two".