113113021201 has 4 divisors (see below), whose sum is σ = 113113700532. Its totient is φ = 113112341872.

The previous prime is 113113021199. The next prime is 113113021207. The reversal of 113113021201 is 102120311311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 63617450625 + 49495570576 = 252225^2 + 222476^2 .

It is a cyclic number.

It is not a de Polignac number, because 113113021201 - 2¹ = 113113021199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113113021207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98535 + ... + 485731.

It is an arithmetic number, because the mean of its divisors is an integer number (28278425133).

Almost surely, 2^113113021201 is an apocalyptic number.

It is an amenable number.

113113021201 is a deficient number, since it is larger than the sum of its proper divisors (679331).

113113021201 is an equidigital number, since it uses as much as digits as its factorization.

113113021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679330.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 113113021201 its reverse (102120311311), we get a palindrome (215233332512).

The spelling of 113113021201 in words is "one hundred thirteen billion, one hundred thirteen million, twenty-one thousand, two hundred one".