111222130189 has 2 divisors, whose sum is σ = 111222130190. Its totient is φ = 111222130188.

The previous prime is 111222130171. The next prime is 111222130231. The reversal of 111222130189 is 981031222111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59178833289 + 52043296900 = 243267^2 + 228130^2 .

It is a cyclic number.

It is not a de Polignac number, because 111222130189 - 2⁵ = 111222130157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111222130189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111222130169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611065094 + 55611065095.

It is an arithmetic number, because the mean of its divisors is an integer number (55611065095).

Almost surely, 2^111222130189 is an apocalyptic number.

It is an amenable number.

111222130189 is a deficient number, since it is larger than the sum of its proper divisors (1).

111222130189 is an equidigital number, since it uses as much as digits as its factorization.

111222130189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 111222130189 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred thirty thousand, one hundred eighty-nine".