2201131001 has 16 divisors (see below), whose sum is σ = 2307690000. Its totient is φ = 2096726016.

The previous prime is 2201130991. The next prime is 2201131003. The reversal of 2201131001 is 1001311022.

It can be written as a sum of positive squares in 8 ways, for example, as 576960400 + 1624170601 = 24020^2 + 40301^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201131001 - 2⁶ = 2201130937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201131003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984235 + ... + 1985343.

It is an arithmetic number, because the mean of its divisors is an integer number (144230625).

Almost surely, 2^2201131001 is an apocalyptic number.

It is an amenable number.

2201131001 is a deficient number, since it is larger than the sum of its proper divisors (106558999).

2201131001 is a wasteful number, since it uses less digits than its factorization.

2201131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2201131001 is about 46916.2125602653. The cubic root of 2201131001 is about 1300.8142829465.

Adding to 2201131001 its reverse (1001311022), we get a palindrome (3202442023).

The spelling of 2201131001 in words is "two billion, two hundred one million, one hundred thirty-one thousand, one".