111101120211149 has 2 divisors, whose sum is σ = 111101120211150. Its totient is φ = 111101120211148.

The previous prime is 111101120211047. The next prime is 111101120211239. The reversal of 111101120211149 is 941112021101111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100159863840100 + 10941256371049 = 10007990^2 + 3307757^2 .

It is a cyclic number.

It is not a de Polignac number, because 111101120211149 - 2³⁶ = 111032400734413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101120210149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550560105574 + 55550560105575.

It is an arithmetic number, because the mean of its divisors is an integer number (55550560105575).

Almost surely, 2^{111101120211149} is an apocalyptic number.

It is an amenable number.

111101120211149 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101120211149 is an equidigital number, since it uses as much as digits as its factorization.

111101120211149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 26.

The spelling of 111101120211149 in words is "one hundred eleven trillion, one hundred one billion, one hundred twenty million, two hundred eleven thousand, one hundred forty-nine".