102100020022 has 96 divisors (see below), whose sum is σ = 211460487840. Its totient is φ = 36340254720.

The previous prime is 102100020017. The next prime is 102100020047. The reversal of 102100020022 is 220020001201.

It is a junction number, because it is equal to n+sod(n) for n = 102100019990 and 102100020008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1321804 + ... + 1396912.

It is an arithmetic number, because the mean of its divisors is an integer number (2202713415).

Almost surely, 2^102100020022 is an apocalyptic number.

102100020022 is an abundant number, since it is smaller than the sum of its proper divisors (109360467818).

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

102100020022 is a wasteful number, since it uses less digits than its factorization.

102100020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75246 (or 75239 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 102100020022 its reverse (220020001201), we get a palindrome (322120021223).

The spelling of 102100020022 in words is "one hundred two billion, one hundred million, twenty thousand, twenty-two".