121303023311231 has 2 divisors, whose sum is σ = 121303023311232. Its totient is φ = 121303023311230.

The previous prime is 121303023311219. The next prime is 121303023311233. The reversal of 121303023311231 is 132113320303121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121303023311231 - 2¹⁴ = 121303023294847 is a prime.

It is a super-2 number, since 2×121303023311231² (a number of 29 digits) contains 22 as substring.

Together with 121303023311233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121303023311231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121303023311233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60651511655615 + 60651511655616.

It is an arithmetic number, because the mean of its divisors is an integer number (60651511655616).

Almost surely, 2^{121303023311231} is an apocalyptic number.

121303023311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

121303023311231 is an equidigital number, since it uses as much as digits as its factorization.

121303023311231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 121303023311231 its reverse (132113320303121), we get a palindrome (253416343614352).

The spelling of 121303023311231 in words is "one hundred twenty-one trillion, three hundred three billion, twenty-three million, three hundred eleven thousand, two hundred thirty-one".