331201322222101 has 2 divisors, whose sum is σ = 331201322222102. Its totient is φ = 331201322222100.

The previous prime is 331201322222051. The next prime is 331201322222119. The reversal of 331201322222101 is 101222223102133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282690083292100 + 48511238930001 = 16813390^2 + 6965001^2 .

It is a cyclic number.

It is not a de Polignac number, because 331201322222101 - 2⁴⁵ = 296016950133269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331201322222501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165600661111050 + 165600661111051.

It is an arithmetic number, because the mean of its divisors is an integer number (165600661111051).

Almost surely, 2^{331201322222101} is an apocalyptic number.

It is an amenable number.

331201322222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

331201322222101 is an equidigital number, since it uses as much as digits as its factorization.

331201322222101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 331201322222101 its reverse (101222223102133), we get a palindrome (432423545324234).

The spelling of 331201322222101 in words is "three hundred thirty-one trillion, two hundred one billion, three hundred twenty-two million, two hundred twenty-two thousand, one hundred one".