111212122200143 has 2 divisors, whose sum is σ = 111212122200144. Its totient is φ = 111212122200142.

The previous prime is 111212122200119. The next prime is 111212122200163. The reversal of 111212122200143 is 341002221212111.

It is a strong prime.

It is an emirp because it is prime and its reverse (341002221212111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111212122200143 - 2¹⁰ = 111212122199119 is a prime.

It is a super-2 number, since 2×111212122200143² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111212122200103) 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, 55606061100071 + 55606061100072.

It is an arithmetic number, because the mean of its divisors is an integer number (55606061100072).

Almost surely, 2^{111212122200143} is an apocalyptic number.

111212122200143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111212122200143 is an equidigital number, since it uses as much as digits as its factorization.

111212122200143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 111212122200143 its reverse (341002221212111), we get a palindrome (452214343412254).

The spelling of 111212122200143 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred twenty-two million, two hundred thousand, one hundred forty-three".