3213221101 has 2 divisors, whose sum is σ = 3213221102. Its totient is φ = 3213221100.

The previous prime is 3213221069. The next prime is 3213221107. The reversal of 3213221101 is 1011223123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3034357225 + 178863876 = 55085^2 + 13374^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213221101 - 2⁵ = 3213221069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213221107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606610550 + 1606610551.

It is an arithmetic number, because the mean of its divisors is an integer number (1606610551).

Almost surely, 2^3213221101 is an apocalyptic number.

It is an amenable number.

3213221101 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213221101 is an equidigital number, since it uses as much as digits as its factorization.

3213221101 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3213221101 is about 56685.2811671601. The cubic root of 3213221101 is about 1475.6392672461.

Adding to 3213221101 its reverse (1011223123), we get a palindrome (4224444224).

The spelling of 3213221101 in words is "three billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred one".