221332331023 has 2 divisors, whose sum is σ = 221332331024. Its totient is φ = 221332331022.

The previous prime is 221332330993. The next prime is 221332331027. The reversal of 221332331023 is 320133233122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221332331023 - 2⁵ = 221332330991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221332331027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110666165511 + 110666165512.

It is an arithmetic number, because the mean of its divisors is an integer number (110666165512).

Almost surely, 2^221332331023 is an apocalyptic number.

221332331023 is a deficient number, since it is larger than the sum of its proper divisors (1).

221332331023 is an equidigital number, since it uses as much as digits as its factorization.

221332331023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 221332331023 its reverse (320133233122), we get a palindrome (541465564145).

It can be divided in two parts, 22133 and 2331023, that added together give a square (2353156 = 1534²).

The spelling of 221332331023 in words is "two hundred twenty-one billion, three hundred thirty-two million, three hundred thirty-one thousand, twenty-three".