111220097143 has 2 divisors, whose sum is σ = 111220097144. Its totient is φ = 111220097142.

The previous prime is 111220097123. The next prime is 111220097159. The reversal of 111220097143 is 341790022111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (341790022111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111220097143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111220097123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610048571 + 55610048572.

It is an arithmetic number, because the mean of its divisors is an integer number (55610048572).

Almost surely, 2^111220097143 is an apocalyptic number.

111220097143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220097143 is an equidigital number, since it uses as much as digits as its factorization.

111220097143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 111220097143 in words is "one hundred eleven billion, two hundred twenty million, ninety-seven thousand, one hundred forty-three".