2102320302102 has 48 divisors (see below), whose sum is σ = 4569570720000. Its totient is φ = 698539553712.

The previous prime is 2102320302073. The next prime is 2102320302113. The reversal of 2102320302102 is 2012030232012.

2102320302102 is a `hidden beast` number, since 2 + 102 + 320 + 30 + 210 + 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 23 ways as a sum of consecutive naturals, for example, 6957399 + ... + 7253277.

It is an arithmetic number, because the mean of its divisors is an integer number (95199390000).

Almost surely, 2^{2102320302102} is an apocalyptic number.

2102320302102 is an abundant number, since it is smaller than the sum of its proper divisors (2467250417898).

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

2102320302102 is a wasteful number, since it uses less digits than its factorization.

2102320302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297145 (or 297142 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2102320302102 its reverse (2012030232012), we get a palindrome (4114350534114).

The spelling of 2102320302102 in words is "two trillion, one hundred two billion, three hundred twenty million, three hundred two thousand, one hundred two".