22212110019973 has 2 divisors, whose sum is σ = 22212110019974. Its totient is φ = 22212110019972.

The previous prime is 22212110019941. The next prime is 22212110020049. The reversal of 22212110019973 is 37991001121222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19755686999169 + 2456423020804 = 4444737^2 + 1567298^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212110019973 - 2⁵ = 22212110019941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212110019373) 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, 11106055009986 + 11106055009987.

It is an arithmetic number, because the mean of its divisors is an integer number (11106055009987).

Almost surely, 2^{22212110019973} is an apocalyptic number.

It is an amenable number.

22212110019973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212110019973 is an equidigital number, since it uses as much as digits as its factorization.

22212110019973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 22212110019973 in words is "twenty-two trillion, two hundred twelve billion, one hundred ten million, nineteen thousand, nine hundred seventy-three".