11621234227 has 2 divisors, whose sum is σ = 11621234228. Its totient is φ = 11621234226.

The previous prime is 11621234203. The next prime is 11621234237. The reversal of 11621234227 is 72243212611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11621234227 - 2¹¹ = 11621232179 is a prime.

It is not a weakly prime, because it can be changed into another prime (11621234237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810617113 + 5810617114.

It is an arithmetic number, because the mean of its divisors is an integer number (5810617114).

Almost surely, 2^11621234227 is an apocalyptic number.

11621234227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621234227 is an equidigital number, since it uses as much as digits as its factorization.

11621234227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

Adding to 11621234227 its reverse (72243212611), we get a palindrome (83864446838).

The spelling of 11621234227 in words is "eleven billion, six hundred twenty-one million, two hundred thirty-four thousand, two hundred twenty-seven".