2211110220 has 96 divisors (see below), whose sum is σ = 6986891520. Its totient is φ = 517538560.

The previous prime is 2211110201. The next prime is 2211110243. The reversal of 2211110220 is 220111122.

2211110220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2211110196 and 2211110205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38622 + ... + 76901.

It is an arithmetic number, because the mean of its divisors is an integer number (72780120).

Almost surely, 2^2211110220 is an apocalyptic number.

2211110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211110220 is an abundant number, since it is smaller than the sum of its proper divisors (4775781300).

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

2211110220 is a wasteful number, since it uses less digits than its factorization.

2211110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115575 (or 115573 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2211110220 is about 47022.4437901732. The cubic root of 2211110220 is about 1302.7771439291. Note that the first 3 decimals are identical.

Adding to 2211110220 its reverse (220111122), we get a palindrome (2431221342).

It can be divided in two parts, 22111102 and 20, that added together give a palindrome (22111122).

The spelling of 2211110220 in words is "two billion, two hundred eleven million, one hundred ten thousand, two hundred twenty".