111210012210 has 96 divisors (see below), whose sum is σ = 294263355456. Its totient is φ = 26878262400.

The previous prime is 111210012143. The next prime is 111210012227. The reversal of 111210012210 is 12210012111.

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 47 ways as a sum of consecutive naturals, for example, 1155252 + ... + 1247808.

It is an arithmetic number, because the mean of its divisors is an integer number (3065243286).

Almost surely, 2^111210012210 is an apocalyptic number.

111210012210 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 111210012210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147131677728).

111210012210 is an abundant number, since it is smaller than the sum of its proper divisors (183053343246).

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

111210012210 is a wasteful number, since it uses less digits than its factorization.

111210012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92920 (or 92909 counting only the distinct ones).

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

Adding to 111210012210 its reverse (12210012111), we get a palindrome (123420024321).

Subtracting from 111210012210 its reverse (12210012111), we obtain a palindrome (99000000099).

The spelling of 111210012210 in words is "one hundred eleven billion, two hundred ten million, twelve thousand, two hundred ten".