213321112 has 16 divisors (see below), whose sum is σ = 400221360. Its totient is φ = 106595424.

The previous prime is 213321107. The next prime is 213321127. The reversal of 213321112 is 211123312.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7558 + ... + 21994.

It is an arithmetic number, because the mean of its divisors is an integer number (25013835).

Almost surely, 2^213321112 is an apocalyptic number.

It is an amenable number.

213321112 is a deficient number, since it is larger than the sum of its proper divisors (186900248).

213321112 is a wasteful number, since it uses less digits than its factorization.

213321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16290 (or 16286 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 213321112 is about 14605.5164920656. The cubic root of 213321112 is about 597.5092225020.

Adding to 213321112 its reverse (211123312), we get a palindrome (424444424).

The spelling of 213321112 in words is "two hundred thirteen million, three hundred twenty-one thousand, one hundred twelve".