221333221023 has 32 divisors (see below), whose sum is σ = 300720570816. Its totient is φ = 144783894528.

The previous prime is 221333221003. The next prime is 221333221027. The reversal of 221333221023 is 320122333122.

It is not a de Polignac number, because 221333221023 - 2¹⁰ = 221333219999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221333220984 and 221333221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221333221027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14735265 + ... + 14750277.

It is an arithmetic number, because the mean of its divisors is an integer number (9397517838).

Almost surely, 2^221333221023 is an apocalyptic number.

221333221023 is a deficient number, since it is larger than the sum of its proper divisors (79387349793).

221333221023 is a wasteful number, since it uses less digits than its factorization.

221333221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15563.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 221333221023 its reverse (320122333122), we get a palindrome (541455554145).

The spelling of 221333221023 in words is "two hundred twenty-one billion, three hundred thirty-three million, two hundred twenty-one thousand, twenty-three".