22111222202143 has 2 divisors, whose sum is σ = 22111222202144. Its totient is φ = 22111222202142.

The previous prime is 22111222202117. The next prime is 22111222202191. The reversal of 22111222202143 is 34120222211122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111222202143 is a prime.

It is a super-2 number, since 2×22111222202143² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111222202743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055611101071 + 11055611101072.

It is an arithmetic number, because the mean of its divisors is an integer number (11055611101072).

Almost surely, 2^{22111222202143} is an apocalyptic number.

22111222202143 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111222202143 is an equidigital number, since it uses as much as digits as its factorization.

22111222202143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 22111222202143 its reverse (34120222211122), we get a palindrome (56231444413265).

The spelling of 22111222202143 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty-two million, two hundred two thousand, one hundred forty-three".