111100122210 has 256 divisors, whose sum is σ = 346578518016. Its totient is φ = 22118400000.

The previous prime is 111100122197. The next prime is 111100122229. The reversal of 111100122210 is 12221001111.

111100122210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

111100122210 is a modest number, since divided by 122210 gives 111100 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7224930 + ... + 7240290.

It is an arithmetic number, because the mean of its divisors is an integer number (1353822336).

Almost surely, 2^111100122210 is an apocalyptic number.

111100122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111100122210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173289259008).

111100122210 is an abundant number, since it is smaller than the sum of its proper divisors (235478395806).

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

111100122210 is a wasteful number, since it uses less digits than its factorization.

111100122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15521.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111100122210 its reverse (12221001111), we get a palindrome (123321123321).

The spelling of 111100122210 in words is "one hundred eleven billion, one hundred million, one hundred twenty-two thousand, two hundred ten".