111101112229 has 2 divisors, whose sum is σ = 111101112230. Its totient is φ = 111101112228.

The previous prime is 111101112191. The next prime is 111101112251. The reversal of 111101112229 is 922211101111.

It is a happy number.

It is an a-pointer prime, because the next prime (111101112251) can be obtained adding 111101112229 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65230181604 + 45870930625 = 255402^2 + 214175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111101112229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101112029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550556114 + 55550556115.

It is an arithmetic number, because the mean of its divisors is an integer number (55550556115).

Almost surely, 2^111101112229 is an apocalyptic number.

It is an amenable number.

111101112229 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101112229 is an equidigital number, since it uses as much as digits as its factorization.

111101112229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 111101112229 in words is "one hundred eleven billion, one hundred one million, one hundred twelve thousand, two hundred twenty-nine".