11121122201279 has 2 divisors, whose sum is σ = 11121122201280. Its totient is φ = 11121122201278.

The previous prime is 11121122201219. The next prime is 11121122201297. The reversal of 11121122201279 is 97210222112111.

Together with next prime (11121122201297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121122201279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121122201209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560561100639 + 5560561100640.

It is an arithmetic number, because the mean of its divisors is an integer number (5560561100640).

Almost surely, 2^{11121122201279} is an apocalyptic number.

11121122201279 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121122201279 is an equidigital number, since it uses as much as digits as its factorization.

11121122201279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 11121122201279 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred one thousand, two hundred seventy-nine".