213011110 has 16 divisors (see below), whose sum is σ = 412914096. Its totient is φ = 78650208.

The previous prime is 213011093. The next prime is 213011159. The reversal of 213011110 is 11110312.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 7 ways as a sum of consecutive naturals, for example, 819144 + ... + 819403.

It is an arithmetic number, because the mean of its divisors is an integer number (25807131).

Almost surely, 2^213011110 is an apocalyptic number.

213011110 is a deficient number, since it is larger than the sum of its proper divisors (199902986).

213011110 is a wasteful number, since it uses less digits than its factorization.

213011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638567.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 213011110 is about 14594.9001366916. The cubic root of 213011110 is about 597.2196452057.

Adding to 213011110 its reverse (11110312), we get a palindrome (224121422).

The spelling of 213011110 in words is "two hundred thirteen million, eleven thousand, one hundred ten".