100111101143 has 2 divisors, whose sum is σ = 100111101144. Its totient is φ = 100111101142.

The previous prime is 100111101127. The next prime is 100111101193. The reversal of 100111101143 is 341101111001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100111101143 - 2⁴ = 100111101127 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 (100111101193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055550571 + 50055550572.

It is an arithmetic number, because the mean of its divisors is an integer number (50055550572).

Almost surely, 2^100111101143 is an apocalyptic number.

100111101143 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111101143 is an equidigital number, since it uses as much as digits as its factorization.

100111101143 is an odious number, because the sum of its binary digits is odd.

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

Adding to 100111101143 its reverse (341101111001), we get a palindrome (441212212144).

The spelling of 100111101143 in words is "one hundred billion, one hundred eleven million, one hundred one thousand, one hundred forty-three".