113202021330 has 144 divisors (see below), whose sum is σ = 303303264264. Its totient is φ = 29292917760.

The previous prime is 113202021281. The next prime is 113202021343. The reversal of 113202021330 is 33120202311.

113202021330 is a `hidden beast` number, since 1 + 132 + 0 + 202 + 1 + 330 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 58890184929 + 54311836401 = 242673^2 + 233049^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 56798814 + ... + 56800806.

Almost surely, 2^113202021330 is an apocalyptic number.

113202021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113202021330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151651632132).

113202021330 is an abundant number, since it is smaller than the sum of its proper divisors (190101242934).

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

113202021330 is a wasteful number, since it uses less digits than its factorization.

113202021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541 (or 2501 counting only the distinct ones).

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

Adding to 113202021330 its reverse (33120202311), we get a palindrome (146322223641).

The spelling of 113202021330 in words is "one hundred thirteen billion, two hundred two million, twenty-one thousand, three hundred thirty".