121001012120099 has 2 divisors, whose sum is σ = 121001012120100. Its totient is φ = 121001012120098.

The previous prime is 121001012119991. The next prime is 121001012120137. The reversal of 121001012120099 is 990021210100121.

It is a strong prime.

It is an emirp because it is prime and its reverse (990021210100121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121001012120099 - 2³² = 120996717152803 is a prime.

It is not a weakly prime, because it can be changed into another prime (121001012125099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500506060049 + 60500506060050.

It is an arithmetic number, because the mean of its divisors is an integer number (60500506060050).

Almost surely, 2^{121001012120099} is an apocalyptic number.

121001012120099 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001012120099 is an equidigital number, since it uses as much as digits as its factorization.

121001012120099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 121001012120099 in words is "one hundred twenty-one trillion, one billion, twelve million, one hundred twenty thousand, ninety-nine".