21100313000113 has 8 divisors (see below), whose sum is σ = 21594355851200. Its totient is φ = 20606421871728.

The previous prime is 21100313000071. The next prime is 21100313000147. The reversal of 21100313000113 is 31100031300112.

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

It is a de Polignac number, because none of the positive numbers 2^k-21100313000113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21100313007113) 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, 37649253 + ... + 38205586.

It is an arithmetic number, because the mean of its divisors is an integer number (2699294481400).

Almost surely, 2^{21100313000113} is an apocalyptic number.

It is an amenable number.

21100313000113 is a deficient number, since it is larger than the sum of its proper divisors (494042851087).

21100313000113 is an equidigital number, since it uses as much as digits as its factorization.

21100313000113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75861351.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 21100313000113 its reverse (31100031300112), we get a palindrome (52200344300225).

The spelling of 21100313000113 in words is "twenty-one trillion, one hundred billion, three hundred thirteen million, one hundred thirteen", and thus it is an aban number.