221311024120141 has 2 divisors, whose sum is σ = 221311024120142. Its totient is φ = 221311024120140.

The previous prime is 221311024120117. The next prime is 221311024120163. The reversal of 221311024120141 is 141021420113122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119937761592100 + 101373262528041 = 10951610^2 + 10068429^2 .

It is a cyclic number.

It is not a de Polignac number, because 221311024120141 - 2²⁷ = 221310889902413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221311024120181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110655512060070 + 110655512060071.

It is an arithmetic number, because the mean of its divisors is an integer number (110655512060071).

Almost surely, 2^{221311024120141} is an apocalyptic number.

It is an amenable number.

221311024120141 is a deficient number, since it is larger than the sum of its proper divisors (1).

221311024120141 is an equidigital number, since it uses as much as digits as its factorization.

221311024120141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 221311024120141 its reverse (141021420113122), we get a palindrome (362332444233263).

The spelling of 221311024120141 in words is "two hundred twenty-one trillion, three hundred eleven billion, twenty-four million, one hundred twenty thousand, one hundred forty-one".