111101222143 has 2 divisors, whose sum is σ = 111101222144. Its totient is φ = 111101222142.

The previous prime is 111101222131. The next prime is 111101222147. The reversal of 111101222143 is 341222101111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111101222143 - 2³³ = 102511287551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111101222143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101222147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550611071 + 55550611072.

It is an arithmetic number, because the mean of its divisors is an integer number (55550611072).

Almost surely, 2^111101222143 is an apocalyptic number.

111101222143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101222143 is an equidigital number, since it uses as much as digits as its factorization.

111101222143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111101222143 its reverse (341222101111), we get a palindrome (452323323254).

The spelling of 111101222143 in words is "one hundred eleven billion, one hundred one million, two hundred twenty-two thousand, one hundred forty-three".