112111012221210 has 96 divisors (see below), whose sum is σ = 315122845340160. Its totient is φ = 27557301423744.

The previous prime is 112111012221149. The next prime is 112111012221217. The reversal of 112111012221210 is 12122210111211.

It is a happy number.

112111012221210 is a `hidden beast` number, since 1 + 1 + 211 + 10 + 12 + 221 + 210 = 666.

It is a super-2 number, since 2×112111012221210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (112111012221217) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 885909642 + ... + 886036181.

It is an arithmetic number, because the mean of its divisors is an integer number (3282529638960).

Almost surely, 2^{112111012221210} is an apocalyptic number.

112111012221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112111012221210 is an abundant number, since it is smaller than the sum of its proper divisors (203011833118950).

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

112111012221210 is a wasteful number, since it uses less digits than its factorization.

112111012221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771945892 (or 1771945889 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112111012221210 its reverse (12122210111211), we get a palindrome (124233222332421).

The spelling of 112111012221210 in words is "one hundred twelve trillion, one hundred eleven billion, twelve million, two hundred twenty-one thousand, two hundred ten".