11022131947 has 2 divisors, whose sum is σ = 11022131948. Its totient is φ = 11022131946.

The previous prime is 11022131941. The next prime is 11022131999. The reversal of 11022131947 is 74913122011.

It is a happy number.

11022131947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11022131947 is a prime.

It is not a weakly prime, because it can be changed into another prime (11022131941) 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, 5511065973 + 5511065974.

It is an arithmetic number, because the mean of its divisors is an integer number (5511065974).

Almost surely, 2^11022131947 is an apocalyptic number.

11022131947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022131947 is an equidigital number, since it uses as much as digits as its factorization.

11022131947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 11022131947 its reverse (74913122011), we get a palindrome (85935253958).

The spelling of 11022131947 in words is "eleven billion, twenty-two million, one hundred thirty-one thousand, nine hundred forty-seven".