2200111997 has 2 divisors, whose sum is σ = 2200111998. Its totient is φ = 2200111996.

The previous prime is 2200111919. The next prime is 2200112009. The reversal of 2200111997 is 7991110022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1747741636 + 452370361 = 41806^2 + 21269^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200111997 - 2²⁰ = 2199063421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200111097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100055998 + 1100055999.

It is an arithmetic number, because the mean of its divisors is an integer number (1100055999).

Almost surely, 2^2200111997 is an apocalyptic number.

It is an amenable number.

2200111997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200111997 is an equidigital number, since it uses as much as digits as its factorization.

2200111997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 2200111997 is about 46905.3514750716. The cubic root of 2200111997 is about 1300.6135165284.

The spelling of 2200111997 in words is "two billion, two hundred million, one hundred eleven thousand, nine hundred ninety-seven".