111020222143 has 2 divisors, whose sum is σ = 111020222144. Its totient is φ = 111020222142.

The previous prime is 111020222099. The next prime is 111020222207. The reversal of 111020222143 is 341222020111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111020222143 - 2²⁵ = 110986667711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111020222143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111020222843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510111071 + 55510111072.

It is an arithmetic number, because the mean of its divisors is an integer number (55510111072).

Almost surely, 2^111020222143 is an apocalyptic number.

111020222143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020222143 is an equidigital number, since it uses as much as digits as its factorization.

111020222143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 111020222143 its reverse (341222020111), we get a palindrome (452242242254).

The spelling of 111020222143 in words is "one hundred eleven billion, twenty million, two hundred twenty-two thousand, one hundred forty-three".