2112209089 has 2 divisors, whose sum is σ = 2112209090. Its totient is φ = 2112209088.

The previous prime is 2112209039. The next prime is 2112209123. The reversal of 2112209089 is 9809022112.

It is an a-pointer prime, because the next prime (2112209123) can be obtained adding 2112209089 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1323722689 + 788486400 = 36383^2 + 28080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112209089 - 2²⁵ = 2078654657 is a prime.

It is a super-2 number, since 2×2112209089² = 8922854471308419842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112209039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056104544 + 1056104545.

It is an arithmetic number, because the mean of its divisors is an integer number (1056104545).

Almost surely, 2^2112209089 is an apocalyptic number.

It is an amenable number.

2112209089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112209089 is an equidigital number, since it uses as much as digits as its factorization.

2112209089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 2112209089 is about 45958.7759736919. The cubic root of 2112209089 is about 1283.0560702568.

The spelling of 2112209089 in words is "two billion, one hundred twelve million, two hundred nine thousand, eighty-nine".