222011100212 has 24 divisors (see below), whose sum is σ = 446146710240. Its totient is φ = 95602865760.

The previous prime is 222011100187. The next prime is 222011100217. The reversal of 222011100212 is 212001110222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011100217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132780923 + ... + 132782594.

It is an arithmetic number, because the mean of its divisors is an integer number (18589446260).

Almost surely, 2^222011100212 is an apocalyptic number.

222011100212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222011100212 is an abundant number, since it is smaller than the sum of its proper divisors (224135610028).

222011100212 is a wasteful number, since it uses less digits than its factorization.

222011100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265563551 (or 265563549 counting only the distinct ones).

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

Adding to 222011100212 its reverse (212001110222), we get a palindrome (434012210434).

It can be divided in two parts, 222011 and 100212, that added together give a palindrome (322223).

The spelling of 222011100212 in words is "two hundred twenty-two billion, eleven million, one hundred thousand, two hundred twelve".