121202102002099 has 2 divisors, whose sum is σ = 121202102002100. Its totient is φ = 121202102002098.

The previous prime is 121202102002081. The next prime is 121202102002139. The reversal of 121202102002099 is 990200201202121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121202102002099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121202102002099.

It is not a weakly prime, because it can be changed into another prime (121202102002199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601051001049 + 60601051001050.

It is an arithmetic number, because the mean of its divisors is an integer number (60601051001050).

Almost surely, 2^{121202102002099} is an apocalyptic number.

121202102002099 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202102002099 is an equidigital number, since it uses as much as digits as its factorization.

121202102002099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 121202102002099 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred two million, two thousand, ninety-nine".