2101303131211 has 2 divisors, whose sum is σ = 2101303131212. Its totient is φ = 2101303131210.

The previous prime is 2101303131143. The next prime is 2101303131229. The reversal of 2101303131211 is 1121313031012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101303131211 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101303131241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050651565605 + 1050651565606.

It is an arithmetic number, because the mean of its divisors is an integer number (1050651565606).

Almost surely, 2^{2101303131211} is an apocalyptic number.

2101303131211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101303131211 is an equidigital number, since it uses as much as digits as its factorization.

2101303131211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2101303131211 its reverse (1121313031012), we get a palindrome (3222616162223).

The spelling of 2101303131211 in words is "two trillion, one hundred one billion, three hundred three million, one hundred thirty-one thousand, two hundred eleven".