2101265410365 has 48 divisors (see below), whose sum is σ = 4182423036480. Its totient is φ = 965174538240.

The previous prime is 2101265410351. The next prime is 2101265410417. The reversal of 2101265410365 is 5630145621012.

2101265410365 is a `hidden beast` number, since 2 + 101 + 2 + 6 + 541 + 0 + 3 + 6 + 5 = 666.

It is not a de Polignac number, because 2101265410365 - 2⁹ = 2101265409853 is a prime.

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, 111700612 + ... + 111719421.

It is an arithmetic number, because the mean of its divisors is an integer number (87133813260).

Almost surely, 2^{2101265410365} is an apocalyptic number.

It is an amenable number.

2101265410365 is a deficient number, since it is larger than the sum of its proper divisors (2081157626115).

2101265410365 is a wasteful number, since it uses less digits than its factorization.

2101265410365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223420074 (or 223420071 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 2101265410365 in words is "two trillion, one hundred one billion, two hundred sixty-five million, four hundred ten thousand, three hundred sixty-five".