2112933111217 has 2 divisors, whose sum is σ = 2112933111218. Its totient is φ = 2112933111216.

The previous prime is 2112933111209. The next prime is 2112933111229. The reversal of 2112933111217 is 7121113392112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2040486543936 + 72446567281 = 1428456^2 + 269159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112933111217 - 2³ = 2112933111209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112933111257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056466555608 + 1056466555609.

It is an arithmetic number, because the mean of its divisors is an integer number (1056466555609).

Almost surely, 2^{2112933111217} is an apocalyptic number.

It is an amenable number.

2112933111217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112933111217 is an equidigital number, since it uses as much as digits as its factorization.

2112933111217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 34.

The spelling of 2112933111217 in words is "two trillion, one hundred twelve billion, nine hundred thirty-three million, one hundred eleven thousand, two hundred seventeen".