12101211220099 has 2 divisors, whose sum is σ = 12101211220100. Its totient is φ = 12101211220098.

The previous prime is 12101211220061. The next prime is 12101211220223. The reversal of 12101211220099 is 99002211210121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101211220099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12101211220099.

It is not a weakly prime, because it can be changed into another prime (12101211220039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050605610049 + 6050605610050.

It is an arithmetic number, because the mean of its divisors is an integer number (6050605610050).

Almost surely, 2^{12101211220099} is an apocalyptic number.

12101211220099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101211220099 is an equidigital number, since it uses as much as digits as its factorization.

12101211220099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 12101211220099 in words is "twelve trillion, one hundred one billion, two hundred eleven million, two hundred twenty thousand, ninety-nine".