3333111221 has 4 divisors (see below), whose sum is σ = 3636121344. Its totient is φ = 3030101100.

The previous prime is 3333111211. The next prime is 3333111269. The reversal of 3333111221 is 1221113333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3333111221 - 2¹⁴ = 3333094837 is a prime.

It is a super-2 number, since 2×3333111221² = 22219260823112221682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3333111193 and 3333111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3333111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151505045 + ... + 151505066.

It is an arithmetic number, because the mean of its divisors is an integer number (909030336).

Almost surely, 2^3333111221 is an apocalyptic number.

It is an amenable number.

3333111221 is a deficient number, since it is larger than the sum of its proper divisors (303010123).

3333111221 is a wasteful number, since it uses less digits than its factorization.

3333111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303010122.

The product of its digits is 324, while the sum is 20.

The square root of 3333111221 is about 57733.1033376866. The cubic root of 3333111221 is about 1493.7684022732.

Adding to 3333111221 its reverse (1221113333), we get a palindrome (4554224554).

The spelling of 3333111221 in words is "three billion, three hundred thirty-three million, one hundred eleven thousand, two hundred twenty-one".