2212112220111 has 24 divisors (see below), whose sum is σ = 3217139640000. Its totient is φ = 1464651876672.

The previous prime is 2212112220049. The next prime is 2212112220119. The reversal of 2212112220111 is 1110222112122.

2212112220111 is a `hidden beast` number, since 221 + 2 + 112 + 220 + 111 = 666.

2212112220111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2212112220111 - 2⁷ = 2212112219983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212112220119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10515225 + ... + 10723533.

It is an arithmetic number, because the mean of its divisors is an integer number (134047485000).

Almost surely, 2^{2212112220111} is an apocalyptic number.

2212112220111 is a deficient number, since it is larger than the sum of its proper divisors (1005027419889).

2212112220111 is a wasteful number, since it uses less digits than its factorization.

2212112220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216383 (or 216380 counting only the distinct ones).

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

Adding to 2212112220111 its reverse (1110222112122), we get a palindrome (3322334332233).

The spelling of 2212112220111 in words is "two trillion, two hundred twelve billion, one hundred twelve million, two hundred twenty thousand, one hundred eleven".