111211010143 has 2 divisors, whose sum is σ = 111211010144. Its totient is φ = 111211010142.

The previous prime is 111211010089. The next prime is 111211010167. The reversal of 111211010143 is 341010112111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111211010143 - 2³³ = 102621075551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111211410143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605505071 + 55605505072.

It is an arithmetic number, because the mean of its divisors is an integer number (55605505072).

Almost surely, 2^111211010143 is an apocalyptic number.

111211010143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211010143 is an equidigital number, since it uses as much as digits as its factorization.

111211010143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111211010143 its reverse (341010112111), we get a palindrome (452221122254).

The spelling of 111211010143 in words is "one hundred eleven billion, two hundred eleven million, ten thousand, one hundred forty-three".