74121232110131 has 2 divisors, whose sum is σ = 74121232110132. Its totient is φ = 74121232110130.

The previous prime is 74121232110127. The next prime is 74121232110169. The reversal of 74121232110131 is 13101123212147.

It is a weak prime.

It is an emirp because it is prime and its reverse (13101123212147) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74121232110131 - 2² = 74121232110127 is a prime.

It is a super-2 number, since 2×74121232110131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74121232110094 and 74121232110103.

It is not a weakly prime, because it can be changed into another prime (74121232110931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37060616055065 + 37060616055066.

It is an arithmetic number, because the mean of its divisors is an integer number (37060616055066).

Almost surely, 2^{74121232110131} is an apocalyptic number.

74121232110131 is a deficient number, since it is larger than the sum of its proper divisors (1).

74121232110131 is an equidigital number, since it uses as much as digits as its factorization.

74121232110131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 74121232110131 its reverse (13101123212147), we get a palindrome (87222355322278).

The spelling of 74121232110131 in words is "seventy-four trillion, one hundred twenty-one billion, two hundred thirty-two million, one hundred ten thousand, one hundred thirty-one".