11212011127 has 2 divisors, whose sum is σ = 11212011128. Its totient is φ = 11212011126.

The previous prime is 11212011119. The next prime is 11212011143. The reversal of 11212011127 is 72111021211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212011127 - 2³ = 11212011119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212011427) 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, 5606005563 + 5606005564.

It is an arithmetic number, because the mean of its divisors is an integer number (5606005564).

Almost surely, 2^11212011127 is an apocalyptic number.

11212011127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212011127 is an equidigital number, since it uses as much as digits as its factorization.

11212011127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 11212011127 its reverse (72111021211), we get a palindrome (83323032338).

The spelling of 11212011127 in words is "eleven billion, two hundred twelve million, eleven thousand, one hundred twenty-seven".