2112211110220 has 24 divisors (see below), whose sum is σ = 4476337311600. Its totient is φ = 837133209792.

The previous prime is 2112211110199. The next prime is 2112211110271. The reversal of 2112211110220 is 220111122112.

It is a super-2 number, since 2×2112211110220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112211110194 and 2112211110203.

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 7 ways as a sum of consecutive naturals, for example, 484449910 + ... + 484454269.

It is an arithmetic number, because the mean of its divisors is an integer number (186514054650).

Almost surely, 2^{2112211110220} is an apocalyptic number.

2112211110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112211110220 is an abundant number, since it is smaller than the sum of its proper divisors (2364126201380).

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

2112211110220 is a wasteful number, since it uses less digits than its factorization.

2112211110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968904297 (or 968904295 counting only the distinct ones).

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

Adding to 2112211110220 its reverse (220111122112), we get a palindrome (2332322232332).

The spelling of 2112211110220 in words is "two trillion, one hundred twelve billion, two hundred eleven million, one hundred ten thousand, two hundred twenty".