22222121111143 has 2 divisors, whose sum is σ = 22222121111144. Its totient is φ = 22222121111142.

The previous prime is 22222121111119. The next prime is 22222121111161. The reversal of 22222121111143 is 34111112122222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22222121111143 - 2⁵ = 22222121111111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222121111543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111060555571 + 11111060555572.

It is an arithmetic number, because the mean of its divisors is an integer number (11111060555572).

Almost surely, 2^{22222121111143} is an apocalyptic number.

22222121111143 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222121111143 is an equidigital number, since it uses as much as digits as its factorization.

22222121111143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

Adding to 22222121111143 its reverse (34111112122222), we get a palindrome (56333233233365).

The spelling of 22222121111143 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred eleven thousand, one hundred forty-three".