111101401289 has 2 divisors, whose sum is σ = 111101401290. Its totient is φ = 111101401288.

The previous prime is 111101401283. The next prime is 111101401351. The reversal of 111101401289 is 982104101111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111025572025 + 75829264 = 333205^2 + 8708^2 .

It is a cyclic number.

It is not a de Polignac number, because 111101401289 - 2²⁴ = 111084624073 is a prime.

It is not a weakly prime, because it can be changed into another prime (111101401283) 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, 55550700644 + 55550700645.

It is an arithmetic number, because the mean of its divisors is an integer number (55550700645).

Almost surely, 2^111101401289 is an apocalyptic number.

It is an amenable number.

111101401289 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101401289 is an equidigital number, since it uses as much as digits as its factorization.

111101401289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 111101401289 in words is "one hundred eleven billion, one hundred one million, four hundred one thousand, two hundred eighty-nine".