8186201121 has 36 divisors (see below), whose sum is σ = 12861161712. Its totient is φ = 4618098576.

The previous prime is 8186201099. The next prime is 8186201183. The reversal of 8186201121 is 1211026818.

It is a happy number.

It is not a de Polignac number, because 8186201121 - 2⁶ = 8186201057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8186201021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 912966 + ... + 921888.

It is an arithmetic number, because the mean of its divisors is an integer number (357254492).

Almost surely, 2^8186201121 is an apocalyptic number.

It is an amenable number.

8186201121 is a deficient number, since it is larger than the sum of its proper divisors (4674960591).

8186201121 is an equidigital number, since it uses as much as digits as its factorization.

8186201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9098 (or 9012 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 8186201121 is about 90477.6277374689. The cubic root of 8186201121 is about 2015.3979080656.

Adding to 8186201121 its reverse (1211026818), we get a palindrome (9397227939).

The spelling of 8186201121 in words is "eight billion, one hundred eighty-six million, two hundred one thousand, one hundred twenty-one".