331121212222063 has 2 divisors, whose sum is σ = 331121212222064. Its totient is φ = 331121212222062.

The previous prime is 331121212222061. The next prime is 331121212222103. The reversal of 331121212222063 is 360222212121133.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331121212222063 - 2¹ = 331121212222061 is a prime.

Together with 331121212222061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331121212222061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165560606111031 + 165560606111032.

It is an arithmetic number, because the mean of its divisors is an integer number (165560606111032).

Almost surely, 2^{331121212222063} is an apocalyptic number.

331121212222063 is a deficient number, since it is larger than the sum of its proper divisors (1).

331121212222063 is an equidigital number, since it uses as much as digits as its factorization.

331121212222063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 331121212222063 its reverse (360222212121133), we get a palindrome (691343424343196).

The spelling of 331121212222063 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, sixty-three".