2112022111 has 2 divisors, whose sum is σ = 2112022112. Its totient is φ = 2112022110.

The previous prime is 2112022109. The next prime is 2112022141. The reversal of 2112022111 is 1112202112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112022111 - 2¹ = 2112022109 is a prime.

Together with 2112022109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2112022091 and 2112022100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056011055 + 1056011056.

It is an arithmetic number, because the mean of its divisors is an integer number (1056011056).

Almost surely, 2^2112022111 is an apocalyptic number.

2112022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112022111 is an equidigital number, since it uses as much as digits as its factorization.

2112022111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2112022111 is about 45956.7417361153. The cubic root of 2112022111 is about 1283.0182093685.

Adding to 2112022111 its reverse (1112202112), we get a palindrome (3224224223).

The spelling of 2112022111 in words is "two billion, one hundred twelve million, twenty-two thousand, one hundred eleven".