2102105300136 has 32 divisors (see below), whose sum is σ = 5256329306400. Its totient is φ = 700559625920.

The previous prime is 2102105299991. The next prime is 2102105300137. The reversal of 2102105300136 is 6310035012012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2102105300137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8762991 + ... + 8999678.

It is an arithmetic number, because the mean of its divisors is an integer number (164260290825).

Almost surely, 2^{2102105300136} is an apocalyptic number.

It is an amenable number.

2102105300136 is an abundant number, since it is smaller than the sum of its proper divisors (3154224006264).

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

2102105300136 is a wasteful number, since it uses less digits than its factorization.

2102105300136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17767609 (or 17767605 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The spelling of 2102105300136 in words is "two trillion, one hundred two billion, one hundred five million, three hundred thousand, one hundred thirty-six".