3221213011 has 4 divisors (see below), whose sum is σ = 3299779224. Its totient is φ = 3142646800.

The previous prime is 3221212999. The next prime is 3221213027. The reversal of 3221213011 is 1103121223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3221213011 - 2⁵ = 3221212979 is a prime.

It is a super-2 number, since 2×3221213011² = 20752426524471372242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221213041) 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, 39283045 + ... + 39283126.

It is an arithmetic number, because the mean of its divisors is an integer number (824944806).

Almost surely, 2^3221213011 is an apocalyptic number.

3221213011 is a deficient number, since it is larger than the sum of its proper divisors (78566213).

3221213011 is an equidigital number, since it uses as much as digits as its factorization.

3221213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78566212.

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

The square root of 3221213011 is about 56755.7310850631. The cubic root of 3221213011 is about 1476.8616556243.

Adding to 3221213011 its reverse (1103121223), we get a palindrome (4324334234).

The spelling of 3221213011 in words is "three billion, two hundred twenty-one million, two hundred thirteen thousand, eleven".