212092111 has 16 divisors (see below), whose sum is σ = 272959488. Its totient is φ = 159933600.

The previous prime is 212092093. The next prime is 212092121. The reversal of 212092111 is 111290212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212092111 - 2¹¹ = 212090063 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 (212092121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42040 + ... + 46813.

It is an arithmetic number, because the mean of its divisors is an integer number (17059968).

Almost surely, 2^212092111 is an apocalyptic number.

212092111 is a deficient number, since it is larger than the sum of its proper divisors (60867377).

212092111 is a wasteful number, since it uses less digits than its factorization.

212092111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88902.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 212092111 is about 14563.3825397811. The cubic root of 212092111 is about 596.3595406923.

The spelling of 212092111 in words is "two hundred twelve million, ninety-two thousand, one hundred eleven".