111322000000 has 112 divisors (see below), whose sum is σ = 277219303110. Its totient is φ = 44528000000.

The previous prime is 111321999973. The next prime is 111322000001. The reversal of 111322000000 is 223111.

It can be written as a sum of positive squares in 7 ways, for example, as 72051443776 + 39270556224 = 268424^2 + 198168^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (111322000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1972170 + ... + 2027830.

Almost surely, 2^111322000000 is an apocalyptic number.

111322000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111322000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138609651555).

111322000000 is an abundant number, since it is smaller than the sum of its proper divisors (165897303110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111322000000 is an frugal number, since it uses more digits than its factorization.

111322000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55705 (or 55668 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 111322000000 its reverse (223111), we get a palindrome (111322223111).

The spelling of 111322000000 in words is "one hundred eleven billion, three hundred twenty-two million", and thus it is an aban number.