2102202131611 has 2 divisors, whose sum is σ = 2102202131612. Its totient is φ = 2102202131610.

The previous prime is 2102202131609. The next prime is 2102202131669. The reversal of 2102202131611 is 1161312022012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102202131611 - 2¹ = 2102202131609 is a prime.

Together with 2102202131609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2102202231611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051101065805 + 1051101065806.

It is an arithmetic number, because the mean of its divisors is an integer number (1051101065806).

Almost surely, 2^{2102202131611} is an apocalyptic number.

2102202131611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102202131611 is an equidigital number, since it uses as much as digits as its factorization.

2102202131611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 2102202131611 its reverse (1161312022012), we get a palindrome (3263514153623).

The spelling of 2102202131611 in words is "two trillion, one hundred two billion, two hundred two million, one hundred thirty-one thousand, six hundred eleven".