2212222110111 has 12 divisors (see below), whose sum is σ = 3441234393688. Its totient is φ = 1361367452304.

The previous prime is 2212222110107. The next prime is 2212222110113. The reversal of 2212222110111 is 1110112222122.

2212222110111 is a `hidden beast` number, since 221 + 2 + 222 + 110 + 111 = 666.

It is not a de Polignac number, because 2212222110111 - 2² = 2212222110107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212222110113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9453940525 + ... + 9453940758.

Almost surely, 2^{2212222110111} is an apocalyptic number.

2212222110111 is a deficient number, since it is larger than the sum of its proper divisors (1229012283577).

2212222110111 is a wasteful number, since it uses less digits than its factorization.

2212222110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18907881302 (or 18907881299 counting only the distinct ones).

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

Adding to 2212222110111 its reverse (1110112222122), we get a palindrome (3322334332233).

The spelling of 2212222110111 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, one hundred ten thousand, one hundred eleven".