21141300143 has 2 divisors, whose sum is σ = 21141300144. Its totient is φ = 21141300142.

The previous prime is 21141300119. The next prime is 21141300227. The reversal of 21141300143 is 34100314112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21141300143 - 2⁸ = 21141299887 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 (21141300043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10570650071 + 10570650072.

It is an arithmetic number, because the mean of its divisors is an integer number (10570650072).

Almost surely, 2^21141300143 is an apocalyptic number.

21141300143 is a deficient number, since it is larger than the sum of its proper divisors (1).

21141300143 is an equidigital number, since it uses as much as digits as its factorization.

21141300143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21141300143 its reverse (34100314112), we get a palindrome (55241614255).

The spelling of 21141300143 in words is "twenty-one billion, one hundred forty-one million, three hundred thousand, one hundred forty-three".