6201122171 has 4 divisors (see below), whose sum is σ = 6414954000. Its totient is φ = 5987290344.

The previous prime is 6201122129. The next prime is 6201122173. The reversal of 6201122171 is 1712211026.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6201122171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6201122173) 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, 106915871 + ... + 106915928.

It is an arithmetic number, because the mean of its divisors is an integer number (1603738500).

Almost surely, 2^6201122171 is an apocalyptic number.

6201122171 is a deficient number, since it is larger than the sum of its proper divisors (213831829).

6201122171 is a wasteful number, since it uses less digits than its factorization.

6201122171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213831828.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 6201122171 is about 78747.2042106893. The cubic root of 6201122171 is about 1837.2013782603.

Adding to 6201122171 its reverse (1712211026), we get a palindrome (7913333197).

The spelling of 6201122171 in words is "six billion, two hundred one million, one hundred twenty-two thousand, one hundred seventy-one".