11001012222 has 64 divisors (see below), whose sum is σ = 24092411904. Its totient is φ = 3333765120.

The previous prime is 11001012203. The next prime is 11001012223. The reversal of 11001012222 is 22221010011.

It is a junction number, because it is equal to n+sod(n) for n = 11001012198 and 11001012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001012223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1872133 + ... + 1877999.

It is an arithmetic number, because the mean of its divisors is an integer number (376443936).

Almost surely, 2^11001012222 is an apocalyptic number.

11001012222 is an abundant number, since it is smaller than the sum of its proper divisors (13091399682).

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

11001012222 is a wasteful number, since it uses less digits than its factorization.

11001012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513.

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

Adding to 11001012222 its reverse (22221010011), we get a palindrome (33222022233).

The spelling of 11001012222 in words is "eleven billion, one million, twelve thousand, two hundred twenty-two".