2122094081 has 2 divisors, whose sum is σ = 2122094082. Its totient is φ = 2122094080.

The previous prime is 2122094063. The next prime is 2122094087. The reversal of 2122094081 is 1804902212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2037619600 + 84474481 = 45140^2 + 9191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122094081 is a prime.

It is a super-2 number, since 2×2122094081² = 9006566577230469122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2122094087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061047040 + 1061047041.

It is an arithmetic number, because the mean of its divisors is an integer number (1061047041).

Almost surely, 2^2122094081 is an apocalyptic number.

It is an amenable number.

2122094081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122094081 is an equidigital number, since it uses as much as digits as its factorization.

2122094081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2122094081 is about 46066.1923866082. The cubic root of 2122094081 is about 1285.0544937954.

Adding to 2122094081 its reverse (1804902212), we get a palindrome (3926996293).

The spelling of 2122094081 in words is "two billion, one hundred twenty-two million, ninety-four thousand, eighty-one".