113012020021 has 8 divisors (see below), whose sum is σ = 115512117120. Its totient is φ = 110538662208.

The previous prime is 113012019919. The next prime is 113012020027. The reversal of 113012020021 is 120020210311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113012020021 - 2⁹ = 113012019509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113012019983 and 113012020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113012020027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6676276 + ... + 6693181.

It is an arithmetic number, because the mean of its divisors is an integer number (14439014640).

Almost surely, 2^113012020021 is an apocalyptic number.

It is an amenable number.

113012020021 is a deficient number, since it is larger than the sum of its proper divisors (2500097099).

113012020021 is a wasteful number, since it uses less digits than its factorization.

113012020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13369643.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 113012020021 its reverse (120020210311), we get a palindrome (233032230332).

The spelling of 113012020021 in words is "one hundred thirteen billion, twelve million, twenty thousand, twenty-one".