11021212222 has 8 divisors (see below), whose sum is σ = 16624175400. Its totient is φ = 5479820424.

The previous prime is 11021212201. The next prime is 11021212247. The reversal of 11021212222 is 22221212011.

It is a happy number.

11021212222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 11021212196 and 11021212205.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15392397 + ... + 15393112.

It is an arithmetic number, because the mean of its divisors is an integer number (2078021925).

Almost surely, 2^11021212222 is an apocalyptic number.

11021212222 is a deficient number, since it is larger than the sum of its proper divisors (5602963178).

11021212222 is a wasteful number, since it uses less digits than its factorization.

11021212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30785690.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11021212222 its reverse (22221212011), we get a palindrome (33242424233).

The spelling of 11021212222 in words is "eleven billion, twenty-one million, two hundred twelve thousand, two hundred twenty-two".