331121212222127 has 2 divisors, whose sum is σ = 331121212222128. Its totient is φ = 331121212222126.

The previous prime is 331121212222103. The next prime is 331121212222139. The reversal of 331121212222127 is 721222212121133.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331121212222127 - 2⁶ = 331121212222063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331121212222093 and 331121212222102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331121212221127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165560606111063 + 165560606111064.

It is an arithmetic number, because the mean of its divisors is an integer number (165560606111064).

Almost surely, 2^{331121212222127} is an apocalyptic number.

331121212222127 is a deficient number, since it is larger than the sum of its proper divisors (1).

331121212222127 is an equidigital number, since it uses as much as digits as its factorization.

331121212222127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The spelling of 331121212222127 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, one hundred twenty-seven".