111100122229 has 2 divisors, whose sum is σ = 111100122230. Its totient is φ = 111100122228.

The previous prime is 111100122197. The next prime is 111100122361. The reversal of 111100122229 is 922221001111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80387559729 + 30712562500 = 283527^2 + 175250^2 .

It is a cyclic number.

It is not a de Polignac number, because 111100122229 - 2⁵ = 111100122197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100222229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550061114 + 55550061115.

It is an arithmetic number, because the mean of its divisors is an integer number (55550061115).

Almost surely, 2^111100122229 is an apocalyptic number.

It is an amenable number.

111100122229 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100122229 is an equidigital number, since it uses as much as digits as its factorization.

111100122229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 111100122229 in words is "one hundred eleven billion, one hundred million, one hundred twenty-two thousand, two hundred twenty-nine".