2101313102004 has 72 divisors (see below), whose sum is σ = 5339753677440. Its totient is φ = 696739663872.

The previous prime is 2101313101981. The next prime is 2101313102011. The reversal of 2101313102004 is 4002013131012.

2101313102004 is a `hidden beast` number, since 21 + 0 + 131 + 310 + 200 + 4 = 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, 6494247 + ... + 6810129.

It is an arithmetic number, because the mean of its divisors is an integer number (74163245520).

Almost surely, 2^{2101313102004} is an apocalyptic number.

It is an amenable number.

2101313102004 is an abundant number, since it is smaller than the sum of its proper divisors (3238440575436).

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

2101313102004 is a wasteful number, since it uses less digits than its factorization.

2101313102004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316869 (or 316864 counting only the distinct ones).

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

Adding to 2101313102004 its reverse (4002013131012), we get a palindrome (6103326233016).

The spelling of 2101313102004 in words is "two trillion, one hundred one billion, three hundred thirteen million, one hundred two thousand, four".