213201112 has 8 divisors (see below), whose sum is σ = 399752100. Its totient is φ = 106600552.

The previous prime is 213201103. The next prime is 213201137. The reversal of 213201112 is 211102312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 213201092 and 213201101.

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 as a sum of consecutive naturals, namely, 13325062 + ... + 13325077.

Almost surely, 2^213201112 is an apocalyptic number.

It is an amenable number.

213201112 is a deficient number, since it is larger than the sum of its proper divisors (186550988).

213201112 is a wasteful number, since it uses less digits than its factorization.

213201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26650145 (or 26650141 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 213201112 is about 14601.4078773247. The cubic root of 213201112 is about 597.3971620891.

Adding to 213201112 its reverse (211102312), we get a palindrome (424303424).

The spelling of 213201112 in words is "two hundred thirteen million, two hundred one thousand, one hundred twelve".