22101143 has 2 divisors, whose sum is σ = 22101144. Its totient is φ = 22101142.

The previous prime is 22101113. The next prime is 22101151. The reversal of 22101143 is 34110122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22101143 - 2⁸ = 22100887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22101113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050571 + 11050572.

It is an arithmetic number, because the mean of its divisors is an integer number (11050572).

Almost surely, 2^22101143 is an apocalyptic number.

22101143 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101143 is an equidigital number, since it uses as much as digits as its factorization.

22101143 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 14.

The square root of 22101143 is about 4701.1852760767. The cubic root of 22101143 is about 280.6326807289.

Adding to 22101143 its reverse (34110122), we get a palindrome (56211265).

The spelling of 22101143 in words is "twenty-two million, one hundred one thousand, one hundred forty-three".