11021112121222 has 8 divisors (see below), whose sum is σ = 18893335064976. Its totient is φ = 4723333766232.

The previous prime is 11021112121199. The next prime is 11021112121223. The reversal of 11021112121222 is 22212121112011.

It is a happy number.

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 11021112121222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021112121223) 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 in 3 ways as a sum of consecutive naturals, for example, 393611147173 + ... + 393611147200.

It is an arithmetic number, because the mean of its divisors is an integer number (2361666883122).

Almost surely, 2^{11021112121222} is an apocalyptic number.

11021112121222 is a deficient number, since it is larger than the sum of its proper divisors (7872222943754).

11021112121222 is an equidigital number, since it uses as much as digits as its factorization.

11021112121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787222294382.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11021112121222 its reverse (22212121112011), we get a palindrome (33233233233233).

The spelling of 11021112121222 in words is "eleven trillion, twenty-one billion, one hundred twelve million, one hundred twenty-one thousand, two hundred twenty-two".