2122211022111 has 6 divisors (see below), whose sum is σ = 3065415920840. Its totient is φ = 1414807348068.

The previous prime is 2122211022079. The next prime is 2122211022133. The reversal of 2122211022111 is 1112201122212.

2122211022111 is a `hidden beast` number, since 212 + 221 + 1 + 0 + 221 + 11 = 666.

It is not a de Polignac number, because 2122211022111 - 2⁵ = 2122211022079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122211042111) 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 in 5 ways as a sum of consecutive naturals, for example, 117900612331 + ... + 117900612348.

Almost surely, 2^{2122211022111} is an apocalyptic number.

2122211022111 is a deficient number, since it is larger than the sum of its proper divisors (943204898729).

2122211022111 is a wasteful number, since it uses less digits than its factorization.

2122211022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235801224685 (or 235801224682 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2122211022111 its reverse (1112201122212), we get a palindrome (3234412144323).

The spelling of 2122211022111 in words is "two trillion, one hundred twenty-two billion, two hundred eleven million, twenty-two thousand, one hundred eleven".