3221221011 has 8 divisors (see below), whose sum is σ = 4295739840. Its totient is φ = 2147091432.

The previous prime is 3221220997. The next prime is 3221221019. The reversal of 3221221011 is 1101221223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3221221011 - 2¹¹ = 3221218963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3221221019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77421 + ... + 111518.

It is an arithmetic number, because the mean of its divisors is an integer number (536967480).

Almost surely, 2^3221221011 is an apocalyptic number.

3221221011 is a deficient number, since it is larger than the sum of its proper divisors (1074518829).

3221221011 is a wasteful number, since it uses less digits than its factorization.

3221221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194625.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3221221011 is about 56755.8015624835. The cubic root of 3221221011 is about 1476.8628782365.

Adding to 3221221011 its reverse (1101221223), we get a palindrome (4322442234).

The spelling of 3221221011 in words is "three billion, two hundred twenty-one million, two hundred twenty-one thousand, eleven".