2100201971143 has 2 divisors, whose sum is σ = 2100201971144. Its totient is φ = 2100201971142.

The previous prime is 2100201971141. The next prime is 2100201971167. The reversal of 2100201971143 is 3411791020012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100201971143 - 2¹ = 2100201971141 is a prime.

Together with 2100201971141, 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 (2100201971141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050100985571 + 1050100985572.

It is an arithmetic number, because the mean of its divisors is an integer number (1050100985572).

Almost surely, 2^{2100201971143} is an apocalyptic number.

2100201971143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100201971143 is an equidigital number, since it uses as much as digits as its factorization.

2100201971143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 2100201971143 its reverse (3411791020012), we get a palindrome (5511992991155).

The spelling of 2100201971143 in words is "two trillion, one hundred billion, two hundred one million, nine hundred seventy-one thousand, one hundred forty-three".