102221002112022 has 128 divisors (see below), whose sum is σ = 241558035264000. Its totient is φ = 31950502358400.

The previous prime is 102221002111981. The next prime is 102221002112057. The reversal of 102221002112022 is 220211200122201.

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 = 102221002111986 and 102221002112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 327613104 + ... + 327924972.

It is an arithmetic number, because the mean of its divisors is an integer number (1887172150500).

Almost surely, 2^{102221002112022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102221002112022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120779017632000).

102221002112022 is an abundant number, since it is smaller than the sum of its proper divisors (139337033151978).

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

102221002112022 is a wasteful number, since it uses less digits than its factorization.

102221002112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315163 (or 315157 counting only the distinct ones).

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

Adding to 102221002112022 its reverse (220211200122201), we get a palindrome (322432202234223).

The spelling of 102221002112022 in words is "one hundred two trillion, two hundred twenty-one billion, two million, one hundred twelve thousand, twenty-two".