2111122022211 has 12 divisors (see below), whose sum is σ = 3049544450680. Its totient is φ = 1407347308800.

The previous prime is 2111122022197. The next prime is 2111122022213. The reversal of 2111122022211 is 1122202211112.

2111122022211 is a `hidden beast` number, since 211 + 1 + 1 + 220 + 22 + 211 = 666.

It is not a de Polignac number, because 2111122022211 - 2⁵ = 2111122022179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111122022213) 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 11 ways as a sum of consecutive naturals, for example, 5415565 + ... + 5792286.

Almost surely, 2^{2111122022211} is an apocalyptic number.

2111122022211 is a deficient number, since it is larger than the sum of its proper divisors (938422428469).

2111122022211 is a wasteful number, since it uses less digits than its factorization.

2111122022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228786 (or 11228783 counting only the distinct ones).

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

Adding to 2111122022211 its reverse (1122202211112), we get a palindrome (3233324233323).

The spelling of 2111122022211 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, twenty-two thousand, two hundred eleven".