112210100211220 has 96 divisors (see below), whose sum is σ = 257814974390400. Its totient is φ = 40684347701760.

The previous prime is 112210100211211. The next prime is 112210100211239. The reversal of 112210100211220 is 22112001012211.

It is a super-2 number, since 2×112210100211220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112210100211194 and 112210100211203.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1766138574 + ... + 1766202106.

It is an arithmetic number, because the mean of its divisors is an integer number (2685572649900).

Almost surely, 2^{112210100211220} is an apocalyptic number.

112210100211220 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 112210100211220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128907487195200).

112210100211220 is an abundant number, since it is smaller than the sum of its proper divisors (145604874179180).

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

112210100211220 is a wasteful number, since it uses less digits than its factorization.

112210100211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86905 (or 86903 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112210100211220 its reverse (22112001012211), we get a palindrome (134322101223431).

The spelling of 112210100211220 in words is "one hundred twelve trillion, two hundred ten billion, one hundred million, two hundred eleven thousand, two hundred twenty".