2112121101199 has 2 divisors, whose sum is σ = 2112121101200. Its totient is φ = 2112121101198.

The previous prime is 2112121101193. The next prime is 2112121101229. The reversal of 2112121101199 is 9911011212112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112121101199 is a prime.

It is a super-2 number, since 2×2112121101199² (a number of 25 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 2112121101199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112121101193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056060550599 + 1056060550600.

It is an arithmetic number, because the mean of its divisors is an integer number (1056060550600).

Almost surely, 2^{2112121101199} is an apocalyptic number.

2112121101199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112121101199 is an equidigital number, since it uses as much as digits as its factorization.

2112121101199 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 31.

The spelling of 2112121101199 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, one hundred one thousand, one hundred ninety-nine".