11123212127 has 2 divisors, whose sum is σ = 11123212128. Its totient is φ = 11123212126.

The previous prime is 11123212099. The next prime is 11123212141. The reversal of 11123212127 is 72121232111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11123212127 - 2⁶ = 11123212063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123212327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561606063 + 5561606064.

It is an arithmetic number, because the mean of its divisors is an integer number (5561606064).

Almost surely, 2^11123212127 is an apocalyptic number.

11123212127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123212127 is an equidigital number, since it uses as much as digits as its factorization.

11123212127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 23.

Adding to 11123212127 its reverse (72121232111), we get a palindrome (83244444238).

The spelling of 11123212127 in words is "eleven billion, one hundred twenty-three million, two hundred twelve thousand, one hundred twenty-seven".