2102011222111 has 2 divisors, whose sum is σ = 2102011222112. Its totient is φ = 2102011222110.

The previous prime is 2102011222093. The next prime is 2102011222193. The reversal of 2102011222111 is 1112221102012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102011222111 - 2⁵ = 2102011222079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102011222511) 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, 1051005611055 + 1051005611056.

It is an arithmetic number, because the mean of its divisors is an integer number (1051005611056).

Almost surely, 2^{2102011222111} is an apocalyptic number.

2102011222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102011222111 is an equidigital number, since it uses as much as digits as its factorization.

2102011222111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2102011222111 its reverse (1112221102012), we get a palindrome (3214232324123).

The spelling of 2102011222111 in words is "two trillion, one hundred two billion, eleven million, two hundred twenty-two thousand, one hundred eleven".