3311223021 has 12 divisors (see below), whose sum is σ = 4790324448. Its totient is φ = 2204045064.

The previous prime is 3311223011. The next prime is 3311223023. The reversal of 3311223021 is 1203221133.

3311223021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3311223021 - 2⁵ = 3311222989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3311222985 and 3311223003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311223023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280305 + ... + 291878.

It is an arithmetic number, because the mean of its divisors is an integer number (399193704).

Almost surely, 2^3311223021 is an apocalyptic number.

It is an amenable number.

3311223021 is a deficient number, since it is larger than the sum of its proper divisors (1479101427).

3311223021 is a wasteful number, since it uses less digits than its factorization.

3311223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572832 (or 572829 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3311223021 is about 57543.2274120943. The cubic root of 3311223021 is about 1490.4914105140.

Adding to 3311223021 its reverse (1203221133), we get a palindrome (4514444154).

The spelling of 3311223021 in words is "three billion, three hundred eleven million, two hundred twenty-three thousand, twenty-one".