113571106021 has 16 divisors (see below), whose sum is σ = 116309571840. Its totient is φ = 110856208320.

The previous prime is 113571106009. The next prime is 113571106039. The reversal of 113571106021 is 120601175311.

It is a cyclic number.

It is not a de Polignac number, because 113571106021 - 2¹¹ = 113571103973 is a prime.

It is a super-2 number, since 2×113571106021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113571106081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8276356 + ... + 8290066.

It is an arithmetic number, because the mean of its divisors is an integer number (7269348240).

Almost surely, 2^113571106021 is an apocalyptic number.

It is an amenable number.

113571106021 is a deficient number, since it is larger than the sum of its proper divisors (2738465819).

113571106021 is a wasteful number, since it uses less digits than its factorization.

113571106021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14556.

The product of its (nonzero) digits is 1260, while the sum is 28.

The spelling of 113571106021 in words is "one hundred thirteen billion, five hundred seventy-one million, one hundred six thousand, twenty-one".