12122201111087 has 2 divisors, whose sum is σ = 12122201111088. Its totient is φ = 12122201111086.

The previous prime is 12122201111077. The next prime is 12122201111161. The reversal of 12122201111087 is 78011110222121.

It is a weak prime.

It is an emirp because it is prime and its reverse (78011110222121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122201111087 - 2²² = 12122196916783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122201111077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061100555543 + 6061100555544.

It is an arithmetic number, because the mean of its divisors is an integer number (6061100555544).

Almost surely, 2^{12122201111087} is an apocalyptic number.

12122201111087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122201111087 is an equidigital number, since it uses as much as digits as its factorization.

12122201111087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 29.

The spelling of 12122201111087 in words is "twelve trillion, one hundred twenty-two billion, two hundred one million, one hundred eleven thousand, eighty-seven".