2011201222 has 4 divisors (see below), whose sum is σ = 3016801836. Its totient is φ = 1005600610.

The previous prime is 2011201103. The next prime is 2011201223. The reversal of 2011201222 is 2221021102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011201223) 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 as a sum of consecutive naturals, namely, 502800304 + ... + 502800307.

It is an arithmetic number, because the mean of its divisors is an integer number (754200459).

Almost surely, 2^2011201222 is an apocalyptic number.

2011201222 is a deficient number, since it is larger than the sum of its proper divisors (1005600614).

2011201222 is a wasteful number, since it uses less digits than its factorization.

2011201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005600613.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2011201222 is about 44846.4181624352. The cubic root of 2011201222 is about 1262.2687816542.

Adding to 2011201222 its reverse (2221021102), we get a palindrome (4232222324).

The spelling of 2011201222 in words is "two billion, eleven million, two hundred one thousand, two hundred twenty-two".