6221101 has 2 divisors, whose sum is σ = 6221102. Its totient is φ = 6221100.

The previous prime is 6221093. The next prime is 6221107. The reversal of 6221101 is 1011226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5635876 + 585225 = 2374^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 6221101 - 2³ = 6221093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6221107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110550 + 3110551.

It is an arithmetic number, because the mean of its divisors is an integer number (3110551).

Almost surely, 2^6221101 is an apocalyptic number.

It is an amenable number.

6221101 is a deficient number, since it is larger than the sum of its proper divisors (1).

6221101 is an equidigital number, since it uses as much as digits as its factorization.

6221101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 6221101 is about 2494.2135032912. The cubic root of 6221101 is about 183.9172300221.

Adding to 6221101 its reverse (1011226), we get a palindrome (7232327).

The spelling of 6221101 in words is "six million, two hundred twenty-one thousand, one hundred one".