222011211020 has 48 divisors (see below), whose sum is σ = 490816972800. Its totient is φ = 84121076160.

The previous prime is 222011211013. The next prime is 222011211061. The reversal of 222011211020 is 20112110222.

222011211020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222011210986 and 222011211004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3984755 + ... + 4040085.

It is an arithmetic number, because the mean of its divisors is an integer number (10225353600).

Almost surely, 2^222011211020 is an apocalyptic number.

222011211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011211020 is an abundant number, since it is smaller than the sum of its proper divisors (268805761780).

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

222011211020 is a wasteful number, since it uses less digits than its factorization.

222011211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65918 (or 65916 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222011211020 its reverse (20112110222), we get a palindrome (242123321242).

It can be divided in two parts, 2 and 22011211020, that added together give a palindrome (22011211022).

The spelling of 222011211020 in words is "two hundred twenty-two billion, eleven million, two hundred eleven thousand, twenty".