21113022366223 has 8 divisors (see below), whose sum is σ = 21372100287840. Its totient is φ = 20854430065920.

The previous prime is 21113022366217. The next prime is 21113022366229. The reversal of 21113022366223 is 32266322031112.

It is an interprime number because it is at equal distance from previous prime (21113022366217) and next prime (21113022366229).

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 21113022366223 - 2³³ = 21104432431631 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 (21113022366229) 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, 121317843 + ... + 121491748.

It is an arithmetic number, because the mean of its divisors is an integer number (2671512535980).

Almost surely, 2^{21113022366223} is an apocalyptic number.

21113022366223 is a deficient number, since it is larger than the sum of its proper divisors (259077921617).

21113022366223 is an equidigital number, since it uses as much as digits as its factorization.

21113022366223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242810657.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 21113022366223 its reverse (32266322031112), we get a palindrome (53379344397335).

The spelling of 21113022366223 in words is "twenty-one trillion, one hundred thirteen billion, twenty-two million, three hundred sixty-six thousand, two hundred twenty-three".