121313421034271 has 2 divisors, whose sum is σ = 121313421034272. Its totient is φ = 121313421034270.

The previous prime is 121313421034231. The next prime is 121313421034321. The reversal of 121313421034271 is 172430124313121.

It is a weak prime.

It is an emirp because it is prime and its reverse (172430124313121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121313421034271 is a prime.

It is a super-2 number, since 2×121313421034271² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121313421034231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60656710517135 + 60656710517136.

It is an arithmetic number, because the mean of its divisors is an integer number (60656710517136).

Almost surely, 2^{121313421034271} is an apocalyptic number.

121313421034271 is a deficient number, since it is larger than the sum of its proper divisors (1).

121313421034271 is an equidigital number, since it uses as much as digits as its factorization.

121313421034271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 121313421034271 its reverse (172430124313121), we get a palindrome (293743545347392).

The spelling of 121313421034271 in words is "one hundred twenty-one trillion, three hundred thirteen billion, four hundred twenty-one million, thirty-four thousand, two hundred seventy-one".