102021101222122 has 16 divisors (see below), whose sum is σ = 153242079375744. Its totient is φ = 50940414000000.

The previous prime is 102021101222113. The next prime is 102021101222177. The reversal of 102021101222122 is 221222101120201.

It is a self number, because there is not a number n which added to its sum of digits gives 102021101222122.

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, 33384097 + ... + 36311707.

It is an arithmetic number, because the mean of its divisors is an integer number (9577629960984).

Almost surely, 2^{102021101222122} is an apocalyptic number.

102021101222122 is a deficient number, since it is larger than the sum of its proper divisors (51220978153622).

102021101222122 is a wasteful number, since it uses less digits than its factorization.

102021101222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951565.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102021101222122 its reverse (221222101120201), we get a palindrome (323243202342323).

The spelling of 102021101222122 in words is "one hundred two trillion, twenty-one billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-two".