12011100222 has 16 divisors (see below), whose sum is σ = 26206036992. Its totient is φ = 3639727320.

The previous prime is 12011100217. The next prime is 12011100229. The reversal of 12011100222 is 22200111021.

It is a junction number, because it is equal to n+sod(n) for n = 12011100198 and 12011100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011100229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90993118 + ... + 90993249.

It is an arithmetic number, because the mean of its divisors is an integer number (1637877312).

Almost surely, 2^12011100222 is an apocalyptic number.

12011100222 is an abundant number, since it is smaller than the sum of its proper divisors (14194936770).

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

12011100222 is a wasteful number, since it uses less digits than its factorization.

12011100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181986383.

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

Adding to 12011100222 its reverse (22200111021), we get a palindrome (34211211243).

The spelling of 12011100222 in words is "twelve billion, eleven million, one hundred thousand, two hundred twenty-two".