102112221002022 has 64 divisors (see below), whose sum is σ = 282908317939200. Its totient is φ = 26522654804640.

The previous prime is 102112221002009. The next prime is 102112221002023. The reversal of 102112221002022 is 220200122211201.

It is a happy number.

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 = 102112221001986 and 102112221002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112221002023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12279002697 + ... + 12279011012.

It is an arithmetic number, because the mean of its divisors is an integer number (4420442467800).

Almost surely, 2^{102112221002022} is an apocalyptic number.

102112221002022 is an abundant number, since it is smaller than the sum of its proper divisors (180796096937178).

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

102112221002022 is a wasteful number, since it uses less digits than its factorization.

102112221002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24558013738 (or 24558013732 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102112221002022 its reverse (220200122211201), we get a palindrome (322312343213223).

The spelling of 102112221002022 in words is "one hundred two trillion, one hundred twelve billion, two hundred twenty-one million, two thousand, twenty-two".