213312220111 has 8 divisors (see below), whose sum is σ = 216287005824. Its totient is φ = 210338858880.

The previous prime is 213312220039. The next prime is 213312220117. The reversal of 213312220111 is 111022213312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213312220111 - 2³³ = 204722285519 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 (213312220117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52750 + ... + 655291.

It is an arithmetic number, because the mean of its divisors is an integer number (27035875728).

Almost surely, 2^213312220111 is an apocalyptic number.

213312220111 is a deficient number, since it is larger than the sum of its proper divisors (2974785713).

213312220111 is an equidigital number, since it uses as much as digits as its factorization.

213312220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712241.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 213312220111 its reverse (111022213312), we get a palindrome (324334433423).

The spelling of 213312220111 in words is "two hundred thirteen billion, three hundred twelve million, two hundred twenty thousand, one hundred eleven".