111122312229 has 6 divisors (see below), whose sum is σ = 160510006566. Its totient is φ = 74081541480.

The previous prime is 111122312209. The next prime is 111122312243. The reversal of 111122312229 is 922213221111.

111122312229 is a `hidden beast` number, since 1 + 1 + 1 + 122 + 312 + 229 = 666.

It can be written as a sum of positive squares in only one way, i.e., 76938000129 + 34184312100 = 277377^2 + 184890^2 .

It is not a de Polignac number, because 111122312229 - 2⁷ = 111122312101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122312209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6173461782 + ... + 6173461799.

It is an arithmetic number, because the mean of its divisors is an integer number (26751667761).

Almost surely, 2^111122312229 is an apocalyptic number.

It is an amenable number.

111122312229 is a deficient number, since it is larger than the sum of its proper divisors (49387694337).

111122312229 is a wasteful number, since it uses less digits than its factorization.

111122312229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12346923587 (or 12346923584 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The spelling of 111122312229 in words is "one hundred eleven billion, one hundred twenty-two million, three hundred twelve thousand, two hundred twenty-nine".