113211003021 has 16 divisors (see below), whose sum is σ = 153213912768. Its totient is φ = 74341238400.

The previous prime is 113211003019. The next prime is 113211003023. The reversal of 113211003021 is 120300112311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113211003019) and next prime (113211003023).

It is not a de Polignac number, because 113211003021 - 2¹ = 113211003019 is a prime.

It is a super-2 number, since 2×113211003021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211003023) 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, 4385211 + ... + 4410951.

It is an arithmetic number, because the mean of its divisors is an integer number (9575869548).

Almost surely, 2^113211003021 is an apocalyptic number.

It is an amenable number.

113211003021 is a deficient number, since it is larger than the sum of its proper divisors (40002909747).

113211003021 is a wasteful number, since it uses less digits than its factorization.

113211003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47692.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113211003021 its reverse (120300112311), we get a palindrome (233511115332).

The spelling of 113211003021 in words is "one hundred thirteen billion, two hundred eleven million, three thousand, twenty-one".