121103331031 has 2 divisors, whose sum is σ = 121103331032. Its totient is φ = 121103331030.

The previous prime is 121103330993. The next prime is 121103331043. The reversal of 121103331031 is 130133301121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121103331031 - 2¹⁵ = 121103298263 is a prime.

It is a super-2 number, since 2×121103331031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121103331071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551665515 + 60551665516.

It is an arithmetic number, because the mean of its divisors is an integer number (60551665516).

Almost surely, 2^121103331031 is an apocalyptic number.

121103331031 is a deficient number, since it is larger than the sum of its proper divisors (1).

121103331031 is an equidigital number, since it uses as much as digits as its factorization.

121103331031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 121103331031 its reverse (130133301121), we get a palindrome (251236632152).

The spelling of 121103331031 in words is "one hundred twenty-one billion, one hundred three million, three hundred thirty-one thousand, thirty-one".