22120111973 has 2 divisors, whose sum is σ = 22120111974. Its totient is φ = 22120111972.

The previous prime is 22120111967. The next prime is 22120112017. The reversal of 22120111973 is 37911102122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21780741889 + 339370084 = 147583^2 + 18422^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120111973 - 2⁴ = 22120111957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22120111873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060055986 + 11060055987.

It is an arithmetic number, because the mean of its divisors is an integer number (11060055987).

Almost surely, 2^22120111973 is an apocalyptic number.

It is an amenable number.

22120111973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120111973 is an equidigital number, since it uses as much as digits as its factorization.

22120111973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 22120111973 in words is "twenty-two billion, one hundred twenty million, one hundred eleven thousand, nine hundred seventy-three".