210543231103 has 2 divisors, whose sum is σ = 210543231104. Its totient is φ = 210543231102.

The previous prime is 210543231097. The next prime is 210543231109. The reversal of 210543231103 is 301132345012.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (210543231097) and next prime (210543231109).

It is a cyclic number.

It is not a de Polignac number, because 210543231103 - 2⁵ = 210543231071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210543231109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105271615551 + 105271615552.

It is an arithmetic number, because the mean of its divisors is an integer number (105271615552).

Almost surely, 2^210543231103 is an apocalyptic number.

210543231103 is a deficient number, since it is larger than the sum of its proper divisors (1).

210543231103 is an equidigital number, since it uses as much as digits as its factorization.

210543231103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 210543231103 its reverse (301132345012), we get a palindrome (511675576115).

The spelling of 210543231103 in words is "two hundred ten billion, five hundred forty-three million, two hundred thirty-one thousand, one hundred three".