222011100012 has 36 divisors (see below), whose sum is σ = 560939293320. Its totient is φ = 68311107072.

The previous prime is 222011100001. The next prime is 222011100013. The reversal of 222011100012 is 210001110222.

222011100012 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 not an unprimeable number, because it can be changed into a prime (222011100013) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 54734437 + ... + 54738492.

Almost surely, 2^222011100012 is an apocalyptic number.

It is an amenable number.

222011100012 is an abundant number, since it is smaller than the sum of its proper divisors (338928193308).

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

222011100012 is a wasteful number, since it uses less digits than its factorization.

222011100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109472962 (or 109472947 counting only the distinct ones).

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

Adding to 222011100012 its reverse (210001110222), we get a palindrome (432012210234).

The spelling of 222011100012 in words is "two hundred twenty-two billion, eleven million, one hundred thousand, twelve".