22111202333173 has 2 divisors, whose sum is σ = 22111202333174. Its totient is φ = 22111202333172.

The previous prime is 22111202333119. The next prime is 22111202333249. The reversal of 22111202333173 is 37133320211122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11706203773489 + 10404998559684 = 3421433^2 + 3225678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111202333173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111202333873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055601166586 + 11055601166587.

It is an arithmetic number, because the mean of its divisors is an integer number (11055601166587).

Almost surely, 2^{22111202333173} is an apocalyptic number.

It is an amenable number.

22111202333173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111202333173 is an equidigital number, since it uses as much as digits as its factorization.

22111202333173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 22111202333173 its reverse (37133320211122), we get a palindrome (59244522544295).

The spelling of 22111202333173 in words is "twenty-two trillion, one hundred eleven billion, two hundred two million, three hundred thirty-three thousand, one hundred seventy-three".