333321311121961 has 2 divisors, whose sum is σ = 333321311121962. Its totient is φ = 333321311121960.

The previous prime is 333321311121947. The next prime is 333321311122013. The reversal of 333321311121961 is 169121113123333.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298885316890000 + 34435994231961 = 17288300^2 + 5868219^2 .

It is a cyclic number.

It is not a de Polignac number, because 333321311121961 - 2³⁵ = 333286951383593 is a prime.

It is a super-3 number, since 3×333321311121961³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (333321311121361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166660655560980 + 166660655560981.

It is an arithmetic number, because the mean of its divisors is an integer number (166660655560981).

Almost surely, 2^{333321311121961} is an apocalyptic number.

It is an amenable number.

333321311121961 is a deficient number, since it is larger than the sum of its proper divisors (1).

333321311121961 is an equidigital number, since it uses as much as digits as its factorization.

333321311121961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 40.

The spelling of 333321311121961 in words is "three hundred thirty-three trillion, three hundred twenty-one billion, three hundred eleven million, one hundred twenty-one thousand, nine hundred sixty-one".