2201311187 has 2 divisors, whose sum is σ = 2201311188. Its totient is φ = 2201311186.

The previous prime is 2201311171. The next prime is 2201311213. The reversal of 2201311187 is 7811131022.

It is an a-pointer prime, because the next prime (2201311213) can be obtained adding 2201311187 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201311187 - 2⁴ = 2201311171 is a prime.

It is a super-2 number, since 2×2201311187² = 9691541884022697938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2201311127) 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 as a sum of consecutive naturals, namely, 1100655593 + 1100655594.

It is an arithmetic number, because the mean of its divisors is an integer number (1100655594).

Almost surely, 2^2201311187 is an apocalyptic number.

2201311187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201311187 is an equidigital number, since it uses as much as digits as its factorization.

2201311187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 2201311187 is about 46918.1328166414. The cubic root of 2201311187 is about 1300.8497771427.

The spelling of 2201311187 in words is "two billion, two hundred one million, three hundred eleven thousand, one hundred eighty-seven".