113032021252 has 12 divisors (see below), whose sum is σ = 197839621980. Its totient is φ = 56506414976.

The previous prime is 113032021147. The next prime is 113032021283. The reversal of 113032021252 is 252120230311.

It can be written as a sum of positive squares in 2 ways, for example, as 48808297476 + 64223723776 = 220926^2 + 253424^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372377 + ... + 2419552.

It is an arithmetic number, because the mean of its divisors is an integer number (16486635165).

Almost surely, 2^113032021252 is an apocalyptic number.

It is an amenable number.

113032021252 is a deficient number, since it is larger than the sum of its proper divisors (84807600728).

113032021252 is a wasteful number, since it uses less digits than its factorization.

113032021252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797830 (or 4797828 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 113032021252 its reverse (252120230311), we get a palindrome (365152251563).

The spelling of 113032021252 in words is "one hundred thirteen billion, thirty-two million, twenty-one thousand, two hundred fifty-two".