811206201 has 8 divisors (see below), whose sum is σ = 1164808960. Its totient is φ = 499203792.

The previous prime is 811206191. The next prime is 811206203. The reversal of 811206201 is 102602118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 811206201 - 2¹⁰ = 811205177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (811206203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10400041 + ... + 10400118.

It is an arithmetic number, because the mean of its divisors is an integer number (145601120).

Almost surely, 2^811206201 is an apocalyptic number.

It is an amenable number.

811206201 is a deficient number, since it is larger than the sum of its proper divisors (353602759).

811206201 is a wasteful number, since it uses less digits than its factorization.

811206201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20800175.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 811206201 is about 28481.6818499189. The cubic root of 811206201 is about 932.6322317974.

Adding to 811206201 its reverse (102602118), we get a palindrome (913808319).

The spelling of 811206201 in words is "eight hundred eleven million, two hundred six thousand, two hundred one".