22941112501861 has 2 divisors, whose sum is σ = 22941112501862. Its totient is φ = 22941112501860.

The previous prime is 22941112501799. The next prime is 22941112501907. The reversal of 22941112501861 is 16810521114922.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16836783660225 + 6104328841636 = 4103265^2 + 2470694^2 .

It is a cyclic number.

It is not a de Polignac number, because 22941112501861 - 2¹⁹ = 22941111977573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22941112501361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11470556250930 + 11470556250931.

It is an arithmetic number, because the mean of its divisors is an integer number (11470556250931).

Almost surely, 2^{22941112501861} is an apocalyptic number.

It is an amenable number.

22941112501861 is a deficient number, since it is larger than the sum of its proper divisors (1).

22941112501861 is an equidigital number, since it uses as much as digits as its factorization.

22941112501861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 22941112501861 in words is "twenty-two trillion, nine hundred forty-one billion, one hundred twelve million, five hundred one thousand, eight hundred sixty-one".