3221013101 has 4 divisors (see below), whose sum is σ = 3221137500. Its totient is φ = 3220888704.

The previous prime is 3221013097. The next prime is 3221013109. The reversal of 3221013101 is 1013101223.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 733597225 + 2487415876 = 27085^2 + 49874^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221013101 - 2² = 3221013097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221013109) 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, 7076 + ... + 80573.

It is an arithmetic number, because the mean of its divisors is an integer number (805284375).

Almost surely, 2^3221013101 is an apocalyptic number.

It is an amenable number.

3221013101 is a deficient number, since it is larger than the sum of its proper divisors (124399).

3221013101 is an equidigital number, since it uses as much as digits as its factorization.

3221013101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124398.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3221013101 is about 56753.9699140069. The cubic root of 3221013101 is about 1476.8311034151.

Adding to 3221013101 its reverse (1013101223), we get a palindrome (4234114324).

The spelling of 3221013101 in words is "three billion, two hundred twenty-one million, thirteen thousand, one hundred one".