2011195 has 4 divisors (see below), whose sum is σ = 2413440. Its totient is φ = 1608952.

The previous prime is 2011193. The next prime is 2011199. The reversal of 2011195 is 5911102.

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

It is a cyclic number.

It is not a de Polignac number, because 2011195 - 2¹ = 2011193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011193) 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, 201115 + ... + 201124.

It is an arithmetic number, because the mean of its divisors is an integer number (603360).

2^2011195 is an apocalyptic number.

2011195 is a deficient number, since it is larger than the sum of its proper divisors (402245).

2011195 is an equidigital number, since it uses as much as digits as its factorization.

2011195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402244.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 2011195 is about 1418.1660692599. The cubic root of 2011195 is about 126.2267479970.

Adding to 2011195 its reverse (5911102), we get a palindrome (7922297).

The spelling of 2011195 in words is "two million, eleven thousand, one hundred ninety-five".