2111907491010 has 24 divisors (see below), whose sum is σ = 5490959476860. Its totient is φ = 563175330912.

The previous prime is 2111907490993. The next prime is 2111907491033. The reversal of 2111907491010 is 101947091112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2110752782649 + 1154708361 = 1452843^2 + 33981^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11732819305 + ... + 11732819484.

Almost surely, 2^{2111907491010} is an apocalyptic number.

2111907491010 is an abundant number, since it is smaller than the sum of its proper divisors (3379051985850).

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

2111907491010 is a wasteful number, since it uses less digits than its factorization.

2111907491010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23465638802 (or 23465638799 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The spelling of 2111907491010 in words is "two trillion, one hundred eleven billion, nine hundred seven million, four hundred ninety-one thousand, ten".