111011222113 has 16 divisors (see below), whose sum is σ = 128237717376. Its totient is φ = 94974826240.

The previous prime is 111011222071. The next prime is 111011222131. The reversal of 111011222113 is 311222110111.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111011222113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011222213) 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 in 15 ways as a sum of consecutive naturals, for example, 3539820 + ... + 3571042.

It is an arithmetic number, because the mean of its divisors is an integer number (8014857336).

Almost surely, 2^111011222113 is an apocalyptic number.

It is an amenable number.

111011222113 is a deficient number, since it is larger than the sum of its proper divisors (17226495263).

111011222113 is a wasteful number, since it uses less digits than its factorization.

111011222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50264.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111011222113 its reverse (311222110111), we get a palindrome (422233332224).

The spelling of 111011222113 in words is "one hundred eleven billion, eleven million, two hundred twenty-two thousand, one hundred thirteen".