1111012022143 has 2 divisors, whose sum is σ = 1111012022144. Its totient is φ = 1111012022142.

The previous prime is 1111012022063. The next prime is 1111012022233. The reversal of 1111012022143 is 3412202101111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111012022143 - 2⁹ = 1111012021631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111012022143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111012022243) 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, 555506011071 + 555506011072.

It is an arithmetic number, because the mean of its divisors is an integer number (555506011072).

Almost surely, 2^{1111012022143} is an apocalyptic number.

1111012022143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111012022143 is an equidigital number, since it uses as much as digits as its factorization.

1111012022143 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 1111012022143 its reverse (3412202101111), we get a palindrome (4523214123254).

The spelling of 1111012022143 in words is "one trillion, one hundred eleven billion, twelve million, twenty-two thousand, one hundred forty-three".