111322122112 has 32 divisors (see below), whose sum is σ = 221896658880. Its totient is φ = 55630411776.

The previous prime is 111322122101. The next prime is 111322122127. The reversal of 111322122112 is 211221223111.

111322122112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×111322122112² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111322122112.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5193 + ... + 471880.

It is an arithmetic number, because the mean of its divisors is an integer number (6934270590).

Almost surely, 2^111322122112 is an apocalyptic number.

It is an amenable number.

111322122112 is a deficient number, since it is larger than the sum of its proper divisors (110574536768).

111322122112 is an equidigital number, since it uses as much as digits as its factorization.

111322122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478910 (or 478898 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

Adding to 111322122112 its reverse (211221223111), we get a palindrome (322543345223).

The spelling of 111322122112 in words is "one hundred eleven billion, three hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".