113130220001 has 4 divisors (see below), whose sum is σ = 117031262100. Its totient is φ = 109229177904.

The previous prime is 113130219997. The next prime is 113130220003. The reversal of 113130220001 is 100022031311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74502248401 + 38627971600 = 272951^2 + 196540^2 .

It is not a de Polignac number, because 113130220001 - 2² = 113130219997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113130220003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950521006 + ... + 1950521063.

It is an arithmetic number, because the mean of its divisors is an integer number (29257815525).

Almost surely, 2^113130220001 is an apocalyptic number.

It is an amenable number.

113130220001 is a deficient number, since it is larger than the sum of its proper divisors (3901042099).

113130220001 is an equidigital number, since it uses as much as digits as its factorization.

113130220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901042098.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 113130220001 its reverse (100022031311), we get a palindrome (213152251312).

The spelling of 113130220001 in words is "one hundred thirteen billion, one hundred thirty million, two hundred twenty thousand, one".