6106010221 has 4 divisors (see below), whose sum is σ = 6427379200. Its totient is φ = 5784641244.

The previous prime is 6106010189. The next prime is 6106010243. The reversal of 6106010221 is 1220106016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6106010221 - 2⁵ = 6106010189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 321368959 = 6106010221 / (6 + 1 + 0 + 6 + 0 + 1 + 0 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6106011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160684461 + ... + 160684498.

It is an arithmetic number, because the mean of its divisors is an integer number (1606844800).

Almost surely, 2^6106010221 is an apocalyptic number.

It is an amenable number.

6106010221 is a deficient number, since it is larger than the sum of its proper divisors (321368979).

6106010221 is a wasteful number, since it uses less digits than its factorization.

6106010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321368978.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 6106010221 is about 78140.9637834088. The cubic root of 6106010221 is about 1827.7600292967.

Adding to 6106010221 its reverse (1220106016), we get a palindrome (7326116237).

The spelling of 6106010221 in words is "six billion, one hundred six million, ten thousand, two hundred twenty-one".