111221222183 has 2 divisors, whose sum is σ = 111221222184. Its totient is φ = 111221222182.

The previous prime is 111221222143. The next prime is 111221222219. The reversal of 111221222183 is 381222122111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111221222183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111221222143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610611091 + 55610611092.

It is an arithmetic number, because the mean of its divisors is an integer number (55610611092).

Almost surely, 2^111221222183 is an apocalyptic number.

111221222183 is a deficient number, since it is larger than the sum of its proper divisors (1).

111221222183 is an equidigital number, since it uses as much as digits as its factorization.

111221222183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 26.

Adding to 111221222183 its reverse (381222122111), we get a palindrome (492443344294).

The spelling of 111221222183 in words is "one hundred eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred eighty-three".