2216200045991 has 2 divisors, whose sum is σ = 2216200045992. Its totient is φ = 2216200045990.

The previous prime is 2216200045967. The next prime is 2216200046033. The reversal of 2216200045991 is 1995400026122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2216200045991 - 2¹⁰ = 2216200044967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216200045091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108100022995 + 1108100022996.

It is an arithmetic number, because the mean of its divisors is an integer number (1108100022996).

Almost surely, 2^{2216200045991} is an apocalyptic number.

2216200045991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216200045991 is an equidigital number, since it uses as much as digits as its factorization.

2216200045991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 2216200045991 in words is "two trillion, two hundred sixteen billion, two hundred million, forty-five thousand, nine hundred ninety-one".