3220421111 has 4 divisors (see below), whose sum is σ = 3225852432. Its totient is φ = 3214989792.

The previous prime is 3220421101. The next prime is 3220421147. The reversal of 3220421111 is 1111240223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1111240223 = 47 ⋅23643409.

It is a cyclic number.

It is not a de Polignac number, because 3220421111 - 2¹⁸ = 3220158967 is a prime.

It is a super-2 number, since 2×3220421111² = 20742224264348948642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3220421111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220421101) 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, 2714771 + ... + 2715956.

It is an arithmetic number, because the mean of its divisors is an integer number (806463108).

Almost surely, 2^3220421111 is an apocalyptic number.

3220421111 is a deficient number, since it is larger than the sum of its proper divisors (5431321).

3220421111 is an equidigital number, since it uses as much as digits as its factorization.

3220421111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431320.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 3220421111 is about 56748.7542682657. The cubic root of 3220421111 is about 1476.7406222752.

Adding to 3220421111 its reverse (1111240223), we get a palindrome (4331661334).

The spelling of 3220421111 in words is "three billion, two hundred twenty million, four hundred twenty-one thousand, one hundred eleven".