11112211101143 has 2 divisors, whose sum is σ = 11112211101144. Its totient is φ = 11112211101142.

The previous prime is 11112211101109. The next prime is 11112211101179. The reversal of 11112211101143 is 34110111221111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11112211101143 - 2¹⁰ = 11112211100119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112211101193) 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, 5556105550571 + 5556105550572.

It is an arithmetic number, because the mean of its divisors is an integer number (5556105550572).

Almost surely, 2^{11112211101143} is an apocalyptic number.

11112211101143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112211101143 is an equidigital number, since it uses as much as digits as its factorization.

11112211101143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 11112211101143 its reverse (34110111221111), we get a palindrome (45222322322254).

The spelling of 11112211101143 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, one hundred one thousand, one hundred forty-three".