221332233053 has 2 divisors, whose sum is σ = 221332233054. Its totient is φ = 221332233052.

The previous prime is 221332233007. The next prime is 221332233131. The reversal of 221332233053 is 350332233122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124674666649 + 96657566404 = 353093^2 + 310898^2 .

It is a cyclic number.

It is not a de Polignac number, because 221332233053 - 2²⁶ = 221265124189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221332238053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110666116526 + 110666116527.

It is an arithmetic number, because the mean of its divisors is an integer number (110666116527).

Almost surely, 2^221332233053 is an apocalyptic number.

It is an amenable number.

221332233053 is a deficient number, since it is larger than the sum of its proper divisors (1).

221332233053 is an equidigital number, since it uses as much as digits as its factorization.

221332233053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 221332233053 its reverse (350332233122), we get a palindrome (571664466175).

The spelling of 221332233053 in words is "two hundred twenty-one billion, three hundred thirty-two million, two hundred thirty-three thousand, fifty-three".