121201115927707 has 2 divisors, whose sum is σ = 121201115927708. Its totient is φ = 121201115927706.

The previous prime is 121201115927681. The next prime is 121201115927711. The reversal of 121201115927707 is 707729511102121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121201115927707 - 2⁷ = 121201115927579 is a prime.

It is not a weakly prime, because it can be changed into another prime (121201115927207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600557963853 + 60600557963854.

It is an arithmetic number, because the mean of its divisors is an integer number (60600557963854).

Almost surely, 2^{121201115927707} is an apocalyptic number.

121201115927707 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201115927707 is an equidigital number, since it uses as much as digits as its factorization.

121201115927707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 46.

The spelling of 121201115927707 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred fifteen million, nine hundred twenty-seven thousand, seven hundred seven".