21100233200143 has 2 divisors, whose sum is σ = 21100233200144. Its totient is φ = 21100233200142.

The previous prime is 21100233200141. The next prime is 21100233200153. The reversal of 21100233200143 is 34100233200112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21100233200143 - 2¹ = 21100233200141 is a prime.

It is a super-2 number, since 2×21100233200143² (a number of 27 digits) contains 22 as substring.

Together with 21100233200141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21100233200141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550116600071 + 10550116600072.

It is an arithmetic number, because the mean of its divisors is an integer number (10550116600072).

Almost surely, 2^{21100233200143} is an apocalyptic number.

21100233200143 is a deficient number, since it is larger than the sum of its proper divisors (1).

21100233200143 is an equidigital number, since it uses as much as digits as its factorization.

21100233200143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21100233200143 its reverse (34100233200112), we get a palindrome (55200466400255).

The spelling of 21100233200143 in words is "twenty-one trillion, one hundred billion, two hundred thirty-three million, two hundred thousand, one hundred forty-three".