111201031229 has 2 divisors, whose sum is σ = 111201031230. Its totient is φ = 111201031228.

The previous prime is 111201031163. The next prime is 111201031243. The reversal of 111201031229 is 922130102111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108371323204 + 2829708025 = 329198^2 + 53195^2 .

It is a cyclic number.

It is not a de Polignac number, because 111201031229 - 2²⁰ = 111199982653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111201036229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600515614 + 55600515615.

It is an arithmetic number, because the mean of its divisors is an integer number (55600515615).

Almost surely, 2^111201031229 is an apocalyptic number.

It is an amenable number.

111201031229 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201031229 is an equidigital number, since it uses as much as digits as its factorization.

111201031229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 111201031229 in words is "one hundred eleven billion, two hundred one million, thirty-one thousand, two hundred twenty-nine".