222222011020 has 12 divisors (see below), whose sum is σ = 466666223184. Its totient is φ = 88888804400.

The previous prime is 222222010987. The next prime is 222222011029. The reversal of 222222011020 is 20110222222.

222222011020 is digitally balanced in base 3, 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 = 222222010985 and 222222011003.

It is not an unprimeable number, because it can be changed into a prime (222222011029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555550256 + ... + 5555550295.

It is an arithmetic number, because the mean of its divisors is an integer number (38888851932).

Almost surely, 2^222222011020 is an apocalyptic number.

222222011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222011020 is an abundant number, since it is smaller than the sum of its proper divisors (244444212164).

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

222222011020 is a wasteful number, since it uses less digits than its factorization.

222222011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111100560 (or 11111100558 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222222011020 its reverse (20110222222), we get a palindrome (242332233242).

The spelling of 222222011020 in words is "two hundred twenty-two billion, two hundred twenty-two million, eleven thousand, twenty".