11211020221222 has 8 divisors (see below), whose sum is σ = 16817148736416. Its totient is φ = 5605303975752.

The previous prime is 11211020221211. The next prime is 11211020221363. The reversal of 11211020221222 is 22212202011211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11211020221222.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 102999438 + ... + 103108225.

It is an arithmetic number, because the mean of its divisors is an integer number (2102143592052).

Almost surely, 2^{11211020221222} is an apocalyptic number.

11211020221222 is a deficient number, since it is larger than the sum of its proper divisors (5606128515194).

11211020221222 is a wasteful number, since it uses less digits than its factorization.

11211020221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206134862.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11211020221222 its reverse (22212202011211), we get a palindrome (33423222232433).

The spelling of 11211020221222 in words is "eleven trillion, two hundred eleven billion, twenty million, two hundred twenty-one thousand, two hundred twenty-two".