2102130312102 has 16 divisors (see below), whose sum is σ = 4671400693680. Its totient is φ = 700710104016.

The previous prime is 2102130312071. The next prime is 2102130312127. The reversal of 2102130312102 is 2012130312012.

2102130312102 is a `hidden beast` number, since 210 + 2 + 130 + 312 + 10 + 2 = 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 7 ways as a sum of consecutive naturals, for example, 19464169503 + ... + 19464169610.

It is an arithmetic number, because the mean of its divisors is an integer number (291962543355).

Almost surely, 2^{2102130312102} is an apocalyptic number.

2102130312102 is an abundant number, since it is smaller than the sum of its proper divisors (2569270381578).

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

2102130312102 is a wasteful number, since it uses less digits than its factorization.

2102130312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38928339124 (or 38928339118 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2102130312102 its reverse (2012130312012), we get a palindrome (4114260624114).

The spelling of 2102130312102 in words is "two trillion, one hundred two billion, one hundred thirty million, three hundred twelve thousand, one hundred two".