3313101221 has 4 divisors (see below), whose sum is σ = 3313325772. Its totient is φ = 3312876672.

The previous prime is 3313101203. The next prime is 3313101229. The reversal of 3313101221 is 1221013133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1221013133 = 937 ⋅1303109.

It can be written as a sum of positive squares in 2 ways, for example, as 2113240900 + 1199860321 = 45970^2 + 34639^2 .

It is a cyclic number.

It is not a de Polignac number, because 3313101221 - 2¹⁸ = 3312839077 is a prime.

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 3313101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313101229) 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, 88460 + ... + 120213.

It is an arithmetic number, because the mean of its divisors is an integer number (828331443).

Almost surely, 2^3313101221 is an apocalyptic number.

It is an amenable number.

3313101221 is a deficient number, since it is larger than the sum of its proper divisors (224551).

3313101221 is a wasteful number, since it uses less digits than its factorization.

3313101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224550.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3313101221 is about 57559.5450034136. The cubic root of 3313101221 is about 1490.7731706385.

Adding to 3313101221 its reverse (1221013133), we get a palindrome (4534114354).

The spelling of 3313101221 in words is "three billion, three hundred thirteen million, one hundred one thousand, two hundred twenty-one".