102101010102 has 96 divisors (see below), whose sum is σ = 275999400768. Its totient is φ = 26558834688.

The previous prime is 102101009953. The next prime is 102101010127. The reversal of 102101010102 is 201010101201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 307363 + ... + 546510.

It is an arithmetic number, because the mean of its divisors is an integer number (2874993758).

Almost surely, 2^102101010102 is an apocalyptic number.

102101010102 is an abundant number, since it is smaller than the sum of its proper divisors (173898390666).

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

102101010102 is a wasteful number, since it uses less digits than its factorization.

102101010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853974 (or 853971 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102101010102 its reverse (201010101201), we get a palindrome (303111111303).

The spelling of 102101010102 in words is "one hundred two billion, one hundred one million, ten thousand, one hundred two".