11000021221222 has 8 divisors (see below), whose sum is σ = 18000034725672. Its totient is φ = 5000009646000.

The previous prime is 11000021221193. The next prime is 11000021221261. The reversal of 11000021221222 is 22212212000011.

It is a happy number.

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 = 11000021221196 and 11000021221205.

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, 250000482279 + ... + 250000482322.

It is an arithmetic number, because the mean of its divisors is an integer number (2250004340709).

Almost surely, 2^{11000021221222} is an apocalyptic number.

11000021221222 is a deficient number, since it is larger than the sum of its proper divisors (7000013504450).

11000021221222 is a wasteful number, since it uses less digits than its factorization.

11000021221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500000964614.

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

Adding to 11000021221222 its reverse (22212212000011), we get a palindrome (33212233221233).

The spelling of 11000021221222 in words is "eleven trillion, twenty-one million, two hundred twenty-one thousand, two hundred twenty-two".