22011102173 has 2 divisors, whose sum is σ = 22011102174. Its totient is φ = 22011102172.

The previous prime is 22011102103. The next prime is 22011102199. The reversal of 22011102173 is 37120111022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22010096164 + 1006009 = 148358^2 + 1003^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011102173 - 2¹² = 22011098077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011102103) 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, 11005551086 + 11005551087.

It is an arithmetic number, because the mean of its divisors is an integer number (11005551087).

Almost surely, 2^22011102173 is an apocalyptic number.

It is an amenable number.

22011102173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011102173 is an equidigital number, since it uses as much as digits as its factorization.

22011102173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 22011102173 its reverse (37120111022), we get a palindrome (59131213195).

The spelling of 22011102173 in words is "twenty-two billion, eleven million, one hundred two thousand, one hundred seventy-three".