162213111 has 20 divisors (see below), whose sum is σ = 250138944. Its totient is φ = 104652000.

The previous prime is 162213101. The next prime is 162213113. The reversal of 162213111 is 111312261.

162213111 is a `hidden beast` number, since 1 + 622 + 1 + 31 + 11 = 666.

It is not a de Polignac number, because 162213111 - 2⁶ = 162213047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162213113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29790 + ... + 34811.

Almost surely, 2^162213111 is an apocalyptic number.

162213111 is a deficient number, since it is larger than the sum of its proper divisors (87925833).

162213111 is an equidigital number, since it uses as much as digits as its factorization.

162213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64644 (or 64635 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 162213111 is about 12736.2911006305. The cubic root of 162213111 is about 545.3751153202.

Adding to 162213111 its reverse (111312261), we get a palindrome (273525372).

The spelling of 162213111 in words is "one hundred sixty-two million, two hundred thirteen thousand, one hundred eleven".