113030123021 has 8 divisors (see below), whose sum is σ = 117213612600. Its totient is φ = 108865693440.

The previous prime is 113030122991. The next prime is 113030123047. The reversal of 113030123021 is 120321030311.

It can be written as a sum of positive squares in 4 ways, for example, as 35236545796 + 77793577225 = 187714^2 + 278915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113030123021 - 2⁶ = 113030122957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113030123051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4752920 + ... + 4776641.

It is an arithmetic number, because the mean of its divisors is an integer number (14651701575).

Almost surely, 2^113030123021 is an apocalyptic number.

It is an amenable number.

113030123021 is a deficient number, since it is larger than the sum of its proper divisors (4183489579).

113030123021 is an equidigital number, since it uses as much as digits as its factorization.

113030123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9529999.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 113030123021 its reverse (120321030311), we get a palindrome (233351153332).

The spelling of 113030123021 in words is "one hundred thirteen billion, thirty million, one hundred twenty-three thousand, twenty-one".