112210111220 has 96 divisors (see below), whose sum is σ = 249061871520. Its totient is φ = 42402447360.

The previous prime is 112210111219. The next prime is 112210111229. The reversal of 112210111220 is 22111012211.

It can be written as a sum of positive squares in 16 ways, for example, as 30736401124 + 81473710096 = 175318^2 + 285436^2 .

It is a super-2 number, since 2×112210111220² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112210111195 and 112210111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112210111229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6820124 + ... + 6836556.

It is an arithmetic number, because the mean of its divisors is an integer number (2594394495).

Almost surely, 2^112210111220 is an apocalyptic number.

112210111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112210111220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124530935760).

112210111220 is an abundant number, since it is smaller than the sum of its proper divisors (136851760300).

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

112210111220 is a wasteful number, since it uses less digits than its factorization.

112210111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16725 (or 16723 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112210111220 its reverse (22111012211), we get a palindrome (134321123431).

Subtracting from 112210111220 its reverse (22111012211), we obtain a palindrome (90099099009).

The spelling of 112210111220 in words is "one hundred twelve billion, two hundred ten million, one hundred eleven thousand, two hundred twenty".