113213013201 has 20 divisors (see below), whose sum is σ = 169132716324. Its totient is φ = 75469968000.

The previous prime is 113213013191. The next prime is 113213013233. The reversal of 113213013201 is 102310312311.

113213013201 is a `hidden beast` number, since 11 + 32 + 1 + 301 + 320 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56176110225 + 57036902976 = 237015^2 + 238824^2 .

It is a de Polignac number, because none of the positive numbers 2^k-113213013201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113213013301) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1329301 + ... + 1411901.

Almost surely, 2^113213013201 is an apocalyptic number.

It is an amenable number.

113213013201 is a deficient number, since it is larger than the sum of its proper divisors (55919703123).

113213013201 is an equidigital number, since it uses as much as digits as its factorization.

113213013201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99534 (or 99525 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 113213013201 its reverse (102310312311), we get a palindrome (215523325512).

The spelling of 113213013201 in words is "one hundred thirteen billion, two hundred thirteen million, thirteen thousand, two hundred one".