2100331111271 has 2 divisors, whose sum is σ = 2100331111272. Its totient is φ = 2100331111270.

The previous prime is 2100331111267. The next prime is 2100331111363. The reversal of 2100331111271 is 1721111330012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100331111271 - 2² = 2100331111267 is a prime.

It is a super-2 number, since 2×2100331111271² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100331111771) 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, 1050165555635 + 1050165555636.

It is an arithmetic number, because the mean of its divisors is an integer number (1050165555636).

Almost surely, 2^{2100331111271} is an apocalyptic number.

2100331111271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100331111271 is an equidigital number, since it uses as much as digits as its factorization.

2100331111271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 2100331111271 its reverse (1721111330012), we get a palindrome (3821442441283).

The spelling of 2100331111271 in words is "two trillion, one hundred billion, three hundred thirty-one million, one hundred eleven thousand, two hundred seventy-one".