11131202227 has 2 divisors, whose sum is σ = 11131202228. Its totient is φ = 11131202226.

The previous prime is 11131202219. The next prime is 11131202339. The reversal of 11131202227 is 72220213111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11131202227 - 2³ = 11131202219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11131202198 and 11131202207.

It is not a weakly prime, because it can be changed into another prime (11131202207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565601113 + 5565601114.

It is an arithmetic number, because the mean of its divisors is an integer number (5565601114).

Almost surely, 2^11131202227 is an apocalyptic number.

11131202227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131202227 is an equidigital number, since it uses as much as digits as its factorization.

11131202227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 11131202227 its reverse (72220213111), we get a palindrome (83351415338).

The spelling of 11131202227 in words is "eleven billion, one hundred thirty-one million, two hundred two thousand, two hundred twenty-seven".