2211057990686 has 16 divisors (see below), whose sum is σ = 3491323862400. Its totient is φ = 1047289358808.

The previous prime is 2211057990679. The next prime is 2211057990707. The reversal of 2211057990686 is 6860997501122.

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, 744200 + ... + 2230683.

It is an arithmetic number, because the mean of its divisors is an integer number (218207741400).

Almost surely, 2^{2211057990686} is an apocalyptic number.

2211057990686 is a deficient number, since it is larger than the sum of its proper divisors (1280265871714).

2211057990686 is a wasteful number, since it uses less digits than its factorization.

2211057990686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994463.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 2211057990686 in words is "two trillion, two hundred eleven billion, fifty-seven million, nine hundred ninety thousand, six hundred eighty-six".