221441020233241 has 2 divisors, whose sum is σ = 221441020233242. Its totient is φ = 221441020233240.

The previous prime is 221441020233179. The next prime is 221441020233253. The reversal of 221441020233241 is 142332020144122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185849009696025 + 35592010537216 = 13632645^2 + 5965904^2 .

It is a cyclic number.

It is not a de Polignac number, because 221441020233241 - 2²⁵ = 221440986678809 is a prime.

It is a super-2 number, since 2×221441020233241² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221441020233281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110720510116620 + 110720510116621.

It is an arithmetic number, because the mean of its divisors is an integer number (110720510116621).

Almost surely, 2^{221441020233241} is an apocalyptic number.

It is an amenable number.

221441020233241 is a deficient number, since it is larger than the sum of its proper divisors (1).

221441020233241 is an equidigital number, since it uses as much as digits as its factorization.

221441020233241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 221441020233241 its reverse (142332020144122), we get a palindrome (363773040377363).

The spelling of 221441020233241 in words is "two hundred twenty-one trillion, four hundred forty-one billion, twenty million, two hundred thirty-three thousand, two hundred forty-one".