2011321222 has 16 divisors (see below), whose sum is σ = 3037962240. Its totient is φ = 998677512.

The previous prime is 2011321211. The next prime is 2011321223. The reversal of 2011321222 is 2221231102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2011321196 and 2011321205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011321223) 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, 697179 + ... + 700057.

It is an arithmetic number, because the mean of its divisors is an integer number (189872640).

Almost surely, 2^2011321222 is an apocalyptic number.

2011321222 is a deficient number, since it is larger than the sum of its proper divisors (1026641018).

2011321222 is a wasteful number, since it uses less digits than its factorization.

2011321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2011321222 is about 44847.7560419694. The cubic root of 2011321222 is about 1262.2938859284.

Adding to 2011321222 its reverse (2221231102), we get a palindrome (4232552324).

The spelling of 2011321222 in words is "two billion, eleven million, three hundred twenty-one thousand, two hundred twenty-two".