32111111222173 has 2 divisors, whose sum is σ = 32111111222174. Its totient is φ = 32111111222172.

The previous prime is 32111111222161. The next prime is 32111111222231. The reversal of 32111111222173 is 37122211111123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29180447983449 + 2930663238724 = 5401893^2 + 1711918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32111111222173 is a prime.

It is a super-2 number, since 2×32111111222173² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32111111222473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16055555611086 + 16055555611087.

It is an arithmetic number, because the mean of its divisors is an integer number (16055555611087).

Almost surely, 2^{32111111222173} is an apocalyptic number.

It is an amenable number.

32111111222173 is a deficient number, since it is larger than the sum of its proper divisors (1).

32111111222173 is an equidigital number, since it uses as much as digits as its factorization.

32111111222173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 28.

Adding to 32111111222173 its reverse (37122211111123), we get a palindrome (69233322333296).

The spelling of 32111111222173 in words is "thirty-two trillion, one hundred eleven billion, one hundred eleven million, two hundred twenty-two thousand, one hundred seventy-three".