223133112110021 has 16 divisors (see below), whose sum is σ = 228353699568960. Its totient is φ = 217950752448000.

The previous prime is 223133112109981. The next prime is 223133112110047. The reversal of 223133112110021 is 120011211331322.

It is a happy number.

223133112110021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223133112110021 is a prime.

It is a super-3 number, since 3×223133112110021³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223133112110071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25138421 + ... + 32836053.

It is an arithmetic number, because the mean of its divisors is an integer number (14272106223060).

Almost surely, 2^{223133112110021} is an apocalyptic number.

It is an amenable number.

223133112110021 is a deficient number, since it is larger than the sum of its proper divisors (5220587458939).

223133112110021 is a wasteful number, since it uses less digits than its factorization.

223133112110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700116.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 223133112110021 its reverse (120011211331322), we get a palindrome (343144323441343).

The spelling of 223133112110021 in words is "two hundred twenty-three trillion, one hundred thirty-three billion, one hundred twelve million, one hundred ten thousand, twenty-one".