111445104210 has 128 divisors (see below), whose sum is σ = 300781154304. Its totient is φ = 26194652160.

The previous prime is 111445104203. The next prime is 111445104223. The reversal of 111445104210 is 12401544111.

It is a happy number.

It is a super-2 number, since 2×111445104210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1625994 + ... + 1693146.

It is an arithmetic number, because the mean of its divisors is an integer number (2349852768).

Almost surely, 2^111445104210 is an apocalyptic number.

111445104210 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 111445104210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150390577152).

111445104210 is an abundant number, since it is smaller than the sum of its proper divisors (189336050094).

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

111445104210 is a wasteful number, since it uses less digits than its factorization.

111445104210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67328.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 111445104210 its reverse (12401544111), we get a palindrome (123846648321).

The spelling of 111445104210 in words is "one hundred eleven billion, four hundred forty-five million, one hundred four thousand, two hundred ten".