2113121129986 has 24 divisors (see below), whose sum is σ = 3242099331324. Its totient is φ = 1032857186400.

The previous prime is 2113121129941. The next prime is 2113121129993. The reversal of 2113121129986 is 6899211213112.

It can be written as a sum of positive squares in 2 ways, for example, as 2092561871761 + 20559258225 = 1446569^2 + 143385^2 .

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, 422596 + ... + 2098768.

Almost surely, 2^{2113121129986} is an apocalyptic number.

2113121129986 is a deficient number, since it is larger than the sum of its proper divisors (1128978201338).

2113121129986 is a wasteful number, since it uses less digits than its factorization.

2113121129986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676434 (or 1676355 counting only the distinct ones).

The product of its digits is 93312, while the sum is 46.

The spelling of 2113121129986 in words is "two trillion, one hundred thirteen billion, one hundred twenty-one million, one hundred twenty-nine thousand, nine hundred eighty-six".