121748322294499 has 2 divisors, whose sum is σ = 121748322294500. Its totient is φ = 121748322294498.

The previous prime is 121748322294481. The next prime is 121748322294523. The reversal of 121748322294499 is 994492223847121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121748322294499 - 2²³ = 121748313905891 is a prime.

It is a super-2 number, since 2×121748322294499² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121748322294479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60874161147249 + 60874161147250.

It is an arithmetic number, because the mean of its divisors is an integer number (60874161147250).

Almost surely, 2^{121748322294499} is an apocalyptic number.

121748322294499 is a deficient number, since it is larger than the sum of its proper divisors (1).

121748322294499 is an equidigital number, since it uses as much as digits as its factorization.

121748322294499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125411328, while the sum is 67.

The spelling of 121748322294499 in words is "one hundred twenty-one trillion, seven hundred forty-eight billion, three hundred twenty-two million, two hundred ninety-four thousand, four hundred ninety-nine".