112122111212210 has 32 divisors (see below), whose sum is σ = 220167493291584. Its totient is φ = 40771595592000.

The previous prime is 112122111212203. The next prime is 112122111212219. The reversal of 112122111212210 is 12212111221211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (112122111212219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99439400 + ... + 100560620.

It is an arithmetic number, because the mean of its divisors is an integer number (6880234165362).

Almost surely, 2^{112122111212210} is an apocalyptic number.

112122111212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112122111212210 is a deficient number, since it is larger than the sum of its proper divisors (108045382079374).

112122111212210 is a wasteful number, since it uses less digits than its factorization.

112122111212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030330.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112122111212210 its reverse (12212111221211), we get a palindrome (124334222433421).

Subtracting from 112122111212210 its reverse (12212111221211), we obtain a palindrome (99909999990999).

The spelling of 112122111212210 in words is "one hundred twelve trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twelve thousand, two hundred ten".