111220122263 has 2 divisors, whose sum is σ = 111220122264. Its totient is φ = 111220122262.

The previous prime is 111220122199. The next prime is 111220122317. The reversal of 111220122263 is 362221022111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111220122263 - 2⁶ = 111220122199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111220122463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610061131 + 55610061132.

It is an arithmetic number, because the mean of its divisors is an integer number (55610061132).

Almost surely, 2^111220122263 is an apocalyptic number.

111220122263 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220122263 is an equidigital number, since it uses as much as digits as its factorization.

111220122263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111220122263 its reverse (362221022111), we get a palindrome (473441144374).

The spelling of 111220122263 in words is "one hundred eleven billion, two hundred twenty million, one hundred twenty-two thousand, two hundred sixty-three".