113020021332 has 96 divisors (see below), whose sum is σ = 298368322560. Its totient is φ = 36990626400.

The previous prime is 113020021207. The next prime is 113020021337. The reversal of 113020021332 is 233120020311.

113020021332 is a `hidden beast` number, since 1 + 130 + 200 + 2 + 1 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113020021337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1422457 + ... + 1499807.

It is an arithmetic number, because the mean of its divisors is an integer number (3108003360).

Almost surely, 2^113020021332 is an apocalyptic number.

113020021332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113020021332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149184161280).

113020021332 is an abundant number, since it is smaller than the sum of its proper divisors (185348301228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113020021332 is a wasteful number, since it uses less digits than its factorization.

113020021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77610 (or 77602 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 113020021332 its reverse (233120020311), we get a palindrome (346140041643).

The spelling of 113020021332 in words is "one hundred thirteen billion, twenty million, twenty-one thousand, three hundred thirty-two".