2011012247 has 2 divisors, whose sum is σ = 2011012248. Its totient is φ = 2011012246.

The previous prime is 2011012207. The next prime is 2011012301. The reversal of 2011012247 is 7422101102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011012247 - 2¹⁸ = 2010750103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011012207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005506123 + 1005506124.

It is an arithmetic number, because the mean of its divisors is an integer number (1005506124).

Almost surely, 2^2011012247 is an apocalyptic number.

2011012247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011012247 is an equidigital number, since it uses as much as digits as its factorization.

2011012247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2011012247 is about 44844.3111999727. The cubic root of 2011012247 is about 1262.2292456276.

Adding to 2011012247 its reverse (7422101102), we get a palindrome (9433113349).

The spelling of 2011012247 in words is "two billion, eleven million, twelve thousand, two hundred forty-seven".