111122120010 has 256 divisors, whose sum is σ = 303142694400. Its totient is φ = 25835520000.

The previous prime is 111122120003. The next prime is 111122120023. The reversal of 111122120010 is 10021221111.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 318401316 + ... + 318401664.

It is an arithmetic number, because the mean of its divisors is an integer number (1184151150).

Almost surely, 2^111122120010 is an apocalyptic number.

111122120010 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 111122120010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151571347200).

111122120010 is an abundant number, since it is smaller than the sum of its proper divisors (192020574390).

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

111122120010 is a wasteful number, since it uses less digits than its factorization.

111122120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

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

Adding to 111122120010 its reverse (10021221111), we get a palindrome (121143341121).

It can be divided in two parts, 111122 and 120010, that added together give a palindrome (231132).

The spelling of 111122120010 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred twenty thousand, ten".