111122273 has 2 divisors, whose sum is σ = 111122274. Its totient is φ = 111122272.

The previous prime is 111122267. The next prime is 111122329. The reversal of 111122273 is 372221111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109139809 + 1982464 = 10447^2 + 1408^2 .

It is an emirp because it is prime and its reverse (372221111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111122273 - 2¹⁸ = 110860129 is a prime.

It is not a weakly prime, because it can be changed into another prime (111122213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561136 + 55561137.

It is an arithmetic number, because the mean of its divisors is an integer number (55561137).

Almost surely, 2^111122273 is an apocalyptic number.

It is an amenable number.

111122273 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122273 is an equidigital number, since it uses as much as digits as its factorization.

111122273 is an evil number, because the sum of its binary digits is even.

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

The square root of 111122273 is about 10541.4549754766. The cubic root of 111122273 is about 480.7659544596.

Adding to 111122273 its reverse (372221111), we get a palindrome (483343384).

The spelling of 111122273 in words is "one hundred eleven million, one hundred twenty-two thousand, two hundred seventy-three".