3011221223 has 4 divisors (see below), whose sum is σ = 3012057360. Its totient is φ = 3010385088.

The previous prime is 3011221201. The next prime is 3011221231. The reversal of 3011221223 is 3221221103.

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 3011221223 - 2¹⁸ = 3010959079 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 (3011229223) 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, 412643 + ... + 419876.

It is an arithmetic number, because the mean of its divisors is an integer number (753014340).

Almost surely, 2^3011221223 is an apocalyptic number.

3011221223 is a deficient number, since it is larger than the sum of its proper divisors (836137).

3011221223 is an equidigital number, since it uses as much as digits as its factorization.

3011221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836136.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3011221223 is about 54874.5954244767. The cubic root of 3011221223 is about 1444.0455334038.

Adding to 3011221223 its reverse (3221221103), we get a palindrome (6232442326).

The spelling of 3011221223 in words is "three billion, eleven million, two hundred twenty-one thousand, two hundred twenty-three".