21113030331113 has 8 divisors (see below), whose sum is σ = 24419890504128. Its totient is φ = 17878848403824.

The previous prime is 21113030331089. The next prime is 21113030331119. The reversal of 21113030331113 is 31113303031112.

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 21113030331113 - 2⁶ = 21113030331049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21113030331119) 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, 18169560806 + ... + 18169561967.

It is an arithmetic number, because the mean of its divisors is an integer number (3052486313016).

Almost surely, 2^{21113030331113} is an apocalyptic number.

It is an amenable number.

21113030331113 is a deficient number, since it is larger than the sum of its proper divisors (3306860173015).

21113030331113 is an equidigital number, since it uses as much as digits as its factorization.

21113030331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36339122863.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 21113030331113 its reverse (31113303031112), we get a palindrome (52226333362225).

The spelling of 21113030331113 in words is "twenty-one trillion, one hundred thirteen billion, thirty million, three hundred thirty-one thousand, one hundred thirteen".