102121112201022 has 24 divisors (see below), whose sum is σ = 221263344540576. Its totient is φ = 34040226922656.

The previous prime is 102121112200957. The next prime is 102121112201051. The reversal of 102121112201022 is 220102211121201.

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 = 102121112200986 and 102121112201004.

It is a congruent number.

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, 7561143 + ... + 16168274.

It is an arithmetic number, because the mean of its divisors is an integer number (9219306022524).

Almost surely, 2^{102121112201022} is an apocalyptic number.

102121112201022 is an abundant number, since it is smaller than the sum of its proper divisors (119142232339554).

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

102121112201022 is a wasteful number, since it uses less digits than its factorization.

102121112201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23968512 (or 23968509 counting only the distinct ones).

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

Adding to 102121112201022 its reverse (220102211121201), we get a palindrome (322223323322223).

The spelling of 102121112201022 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twelve million, two hundred one thousand, twenty-two".