111001101143 has 2 divisors, whose sum is σ = 111001101144. Its totient is φ = 111001101142.

The previous prime is 111001101097. The next prime is 111001101149. The reversal of 111001101143 is 341101100111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111001101143 - 2¹⁴ = 111001084759 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111001101149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500550571 + 55500550572.

It is an arithmetic number, because the mean of its divisors is an integer number (55500550572).

Almost surely, 2^111001101143 is an apocalyptic number.

111001101143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001101143 is an equidigital number, since it uses as much as digits as its factorization.

111001101143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111001101143 its reverse (341101100111), we get a palindrome (452102201254).

The spelling of 111001101143 in words is "one hundred eleven billion, one million, one hundred one thousand, one hundred forty-three".