121340414099 has 2 divisors, whose sum is σ = 121340414100. Its totient is φ = 121340414098.

The previous prime is 121340414057. The next prime is 121340414113. The reversal of 121340414099 is 990414043121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (990414043121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121340414099 - 2³² = 117045446803 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (121340404099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670207049 + 60670207050.

It is an arithmetic number, because the mean of its divisors is an integer number (60670207050).

Almost surely, 2^121340414099 is an apocalyptic number.

121340414099 is a deficient number, since it is larger than the sum of its proper divisors (1).

121340414099 is an equidigital number, since it uses as much as digits as its factorization.

121340414099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 121340414099 in words is "one hundred twenty-one billion, three hundred forty million, four hundred fourteen thousand, ninety-nine".