102101122221102 has 20 divisors (see below), whose sum is σ = 228782144236536. Its totient is φ = 34033707406980.

The previous prime is 102101122221071. The next prime is 102101122221127. The reversal of 102101122221102 is 201122221101201.

102101122221102 is a `hidden beast` number, since 10 + 210 + 1 + 122 + 221 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 315126920274 + ... + 315126920597.

Almost surely, 2^{102101122221102} is an apocalyptic number.

102101122221102 is an abundant number, since it is smaller than the sum of its proper divisors (126681022015434).

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

102101122221102 is an equidigital number, since it uses as much as digits as its factorization.

102101122221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630253840885 (or 630253840876 counting only the distinct ones).

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

Adding to 102101122221102 its reverse (201122221101201), we get a palindrome (303223343322303).

The spelling of 102101122221102 in words is "one hundred two trillion, one hundred one billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred two".