3213221011 has 24 divisors (see below), whose sum is σ = 4391304624. Its totient is φ = 2311202880.

The previous prime is 3213221009. The next prime is 3213221027. The reversal of 3213221011 is 1101223123.

It is not a de Polignac number, because 3213221011 - 2¹ = 3213221009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3213221611) 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 23 ways as a sum of consecutive naturals, for example, 222280 + ... + 236293.

It is an arithmetic number, because the mean of its divisors is an integer number (182971026).

Almost surely, 2^3213221011 is an apocalyptic number.

3213221011 is a deficient number, since it is larger than the sum of its proper divisors (1178083613).

3213221011 is a wasteful number, since it uses less digits than its factorization.

3213221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458611 (or 458604 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3213221011 is about 56685.2803733033. The cubic root of 3213221011 is about 1475.6392534689.

Adding to 3213221011 its reverse (1101223123), we get a palindrome (4314444134).

The spelling of 3213221011 in words is "three billion, two hundred thirteen million, two hundred twenty-one thousand, eleven".