11222313211012 has 24 divisors (see below), whose sum is σ = 20794513675320. Its totient is φ = 5281030809600.

The previous prime is 11222313211001. The next prime is 11222313211019. The reversal of 11222313211012 is 21011231322211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3389222088256 + 7833091122756 = 1840984^2 + 2798766^2 .

It is not an unprimeable number, because it can be changed into a prime (11222313211019) 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, 5714664 + ... + 7423072.

It is an arithmetic number, because the mean of its divisors is an integer number (866438069805).

Almost surely, 2^{11222313211012} is an apocalyptic number.

It is an amenable number.

11222313211012 is a deficient number, since it is larger than the sum of its proper divisors (9572200464308).

11222313211012 is a wasteful number, since it uses less digits than its factorization.

11222313211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805031 (or 1805029 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11222313211012 its reverse (21011231322211), we get a palindrome (32233544533223).

The spelling of 11222313211012 in words is "eleven trillion, two hundred twenty-two billion, three hundred thirteen million, two hundred eleven thousand, twelve".