21113010395 has 4 divisors (see below), whose sum is σ = 25335612480. Its totient is φ = 16890408312.

The previous prime is 21113010383. The next prime is 21113010403. The reversal of 21113010395 is 59301031112.

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

It is a cyclic number.

It is not a de Polignac number, because 21113010395 - 2¹⁴ = 21112994011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2111301035 + ... + 2111301044.

It is an arithmetic number, because the mean of its divisors is an integer number (6333903120).

Almost surely, 2^21113010395 is an apocalyptic number.

21113010395 is a deficient number, since it is larger than the sum of its proper divisors (4222602085).

21113010395 is an equidigital number, since it uses as much as digits as its factorization.

21113010395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222602084.

The product of its (nonzero) digits is 810, while the sum is 26.

The spelling of 21113010395 in words is "twenty-one billion, one hundred thirteen million, ten thousand, three hundred ninety-five".