1113312300021 has 12 divisors (see below), whose sum is σ = 1608127229280. Its totient is φ = 742203832680.

The previous prime is 1113312299987. The next prime is 1113312300049. The reversal of 1113312300021 is 1200032133111.

1113312300021 is a `hidden beast` number, since 1 + 11 + 331 + 2 + 300 + 0 + 21 = 666.

It is not a de Polignac number, because 1113312300021 - 2²⁷ = 1113178082293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113312299967 and 1113312300003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113312300521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2204656 + ... + 2662166.

It is an arithmetic number, because the mean of its divisors is an integer number (134010602440).

Almost surely, 2^{1113312300021} is an apocalyptic number.

It is an amenable number.

1113312300021 is a deficient number, since it is larger than the sum of its proper divisors (494814929259).

1113312300021 is a wasteful number, since it uses less digits than its factorization.

1113312300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727896 (or 727893 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1113312300021 its reverse (1200032133111), we get a palindrome (2313344433132).

The spelling of 1113312300021 in words is "one trillion, one hundred thirteen billion, three hundred twelve million, three hundred thousand, twenty-one".