121330231011943 has 2 divisors, whose sum is σ = 121330231011944. Its totient is φ = 121330231011942.

The previous prime is 121330231011931. The next prime is 121330231012021. The reversal of 121330231011943 is 349110132033121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121330231011943 is a prime.

It is a super-2 number, since 2×121330231011943² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121330231011899 and 121330231011908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121330231071943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60665115505971 + 60665115505972.

It is an arithmetic number, because the mean of its divisors is an integer number (60665115505972).

Almost surely, 2^{121330231011943} is an apocalyptic number.

121330231011943 is a deficient number, since it is larger than the sum of its proper divisors (1).

121330231011943 is an equidigital number, since it uses as much as digits as its factorization.

121330231011943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 121330231011943 in words is "one hundred twenty-one trillion, three hundred thirty billion, two hundred thirty-one million, eleven thousand, nine hundred forty-three".