3220213111 has 4 divisors (see below), whose sum is σ = 3295101832. Its totient is φ = 3145324392.

The previous prime is 3220213079. The next prime is 3220213121. The reversal of 3220213111 is 1113120223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3220213111 - 2⁵ = 3220213079 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 (3220213121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37444296 + ... + 37444381.

It is an arithmetic number, because the mean of its divisors is an integer number (823775458).

Almost surely, 2^3220213111 is an apocalyptic number.

3220213111 is a deficient number, since it is larger than the sum of its proper divisors (74888721).

3220213111 is an equidigital number, since it uses as much as digits as its factorization.

3220213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74888720.

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

The square root of 3220213111 is about 56746.9215993255. The cubic root of 3220213111 is about 1476.7088284350.

Adding to 3220213111 its reverse (1113120223), we get a palindrome (4333333334).

The spelling of 3220213111 in words is "three billion, two hundred twenty million, two hundred thirteen thousand, one hundred eleven".