221133110311023 has 8 divisors (see below), whose sum is σ = 307663457824128. Its totient is φ = 141012418169304.

The previous prime is 221133110310899. The next prime is 221133110311067. The reversal of 221133110311023 is 320113011331122.

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

It is not a de Polignac number, because 221133110311023 - 2²⁰ = 221133109262447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221133110310984 and 221133110311002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133110311823) 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, 1602413842765 + ... + 1602413842902.

It is an arithmetic number, because the mean of its divisors is an integer number (38457932228016).

Almost surely, 2^{221133110311023} is an apocalyptic number.

221133110311023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

221133110311023 is a deficient number, since it is larger than the sum of its proper divisors (86530347513105).

221133110311023 is a wasteful number, since it uses less digits than its factorization.

221133110311023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204827685693.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 221133110311023 its reverse (320113011331122), we get a palindrome (541246121642145).

The spelling of 221133110311023 in words is "two hundred twenty-one trillion, one hundred thirty-three billion, one hundred ten million, three hundred eleven thousand, twenty-three".