11121001222 has 8 divisors (see below), whose sum is σ = 16686239400. Its totient is φ = 5558921424.

The previous prime is 11121001219. The next prime is 11121001247. The reversal of 11121001222 is 22210012111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780772 + ... + 794887.

It is an arithmetic number, because the mean of its divisors is an integer number (2085779925).

Almost surely, 2^11121001222 is an apocalyptic number.

11121001222 is a deficient number, since it is larger than the sum of its proper divisors (5565238178).

11121001222 is a wasteful number, since it uses less digits than its factorization.

11121001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579190.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11121001222 its reverse (22210012111), we get a palindrome (33331013333).

The spelling of 11121001222 in words is "eleven billion, one hundred twenty-one million, one thousand, two hundred twenty-two".