331121212222103 has 2 divisors, whose sum is σ = 331121212222104. Its totient is φ = 331121212222102.

The previous prime is 331121212222063. The next prime is 331121212222127. The reversal of 331121212222103 is 301222212121133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331121212222103 - 2³⁶ = 331052492745367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331129212222103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165560606111051 + 165560606111052.

It is an arithmetic number, because the mean of its divisors is an integer number (165560606111052).

Almost surely, 2^{331121212222103} is an apocalyptic number.

331121212222103 is a deficient number, since it is larger than the sum of its proper divisors (1).

331121212222103 is an equidigital number, since it uses as much as digits as its factorization.

331121212222103 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 26.

Adding to 331121212222103 its reverse (301222212121133), we get a palindrome (632343424343236).

The spelling of 331121212222103 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, one hundred three".