121310333310997 has 2 divisors, whose sum is σ = 121310333310998. Its totient is φ = 121310333310996.

The previous prime is 121310333310979. The next prime is 121310333311043. The reversal of 121310333310997 is 799013333013121.

Together with previous prime (121310333310979) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (121310333311043) can be obtained adding 121310333310997 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100753594436881 + 20556738874116 = 10037609^2 + 4533954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121310333310997 is a prime.

It is a super-2 number, since 2×121310333310997² (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 (121310333310967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60655166655498 + 60655166655499.

It is an arithmetic number, because the mean of its divisors is an integer number (60655166655499).

Almost surely, 2^{121310333310997} is an apocalyptic number.

It is an amenable number.

121310333310997 is a deficient number, since it is larger than the sum of its proper divisors (1).

121310333310997 is an equidigital number, since it uses as much as digits as its factorization.

121310333310997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 275562, while the sum is 46.

The spelling of 121310333310997 in words is "one hundred twenty-one trillion, three hundred ten billion, three hundred thirty-three million, three hundred ten thousand, nine hundred ninety-seven".