111220022143 has 2 divisors, whose sum is σ = 111220022144. Its totient is φ = 111220022142.

The previous prime is 111220022117. The next prime is 111220022209. The reversal of 111220022143 is 341220022111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111220022143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111220022143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111220025143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610011071 + 55610011072.

It is an arithmetic number, because the mean of its divisors is an integer number (55610011072).

Almost surely, 2^111220022143 is an apocalyptic number.

111220022143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220022143 is an equidigital number, since it uses as much as digits as its factorization.

111220022143 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 111220022143 its reverse (341220022111), we get a palindrome (452440044254).

The spelling of 111220022143 in words is "one hundred eleven billion, two hundred twenty million, twenty-two thousand, one hundred forty-three".