121340002099 has 2 divisors, whose sum is σ = 121340002100. Its totient is φ = 121340002098.

The previous prime is 121340002093. The next prime is 121340002139. The reversal of 121340002099 is 990200043121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121340002099 - 2⁵ = 121340002067 is a prime.

It is a super-2 number, since 2×121340002099² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121340002099.

It is not a weakly prime, because it can be changed into another prime (121340002093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670001049 + 60670001050.

It is an arithmetic number, because the mean of its divisors is an integer number (60670001050).

Almost surely, 2^121340002099 is an apocalyptic number.

121340002099 is a deficient number, since it is larger than the sum of its proper divisors (1).

121340002099 is an equidigital number, since it uses as much as digits as its factorization.

121340002099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 121340002099 in words is "one hundred twenty-one billion, three hundred forty million, two thousand, ninety-nine".