2112222143 has 2 divisors, whose sum is σ = 2112222144. Its totient is φ = 2112222142.

The previous prime is 2112222127. The next prime is 2112222149. The reversal of 2112222143 is 3412222112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112222143 - 2⁴ = 2112222127 is a prime.

It is a super-2 number, since 2×2112222143² = 8922964762759024898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112222149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056111071 + 1056111072.

It is an arithmetic number, because the mean of its divisors is an integer number (1056111072).

Almost surely, 2^2112222143 is an apocalyptic number.

2112222143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112222143 is an equidigital number, since it uses as much as digits as its factorization.

2112222143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 2112222143 is about 45958.9179920502. The cubic root of 2112222143 is about 1283.0587134578.

Adding to 2112222143 its reverse (3412222112), we get a palindrome (5524444255).

The spelling of 2112222143 in words is "two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred forty-three".