11022121222 has 8 divisors (see below), whose sum is σ = 18895064976. Its totient is φ = 4723766232.

The previous prime is 11022121183. The next prime is 11022121223. The reversal of 11022121222 is 22212122011.

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 = 11022121196 and 11022121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022121223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393647173 + ... + 393647200.

It is an arithmetic number, because the mean of its divisors is an integer number (2361883122).

Almost surely, 2^11022121222 is an apocalyptic number.

11022121222 is a deficient number, since it is larger than the sum of its proper divisors (7872943754).

11022121222 is an equidigital number, since it uses as much as digits as its factorization.

11022121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787294382.

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

Adding to 11022121222 its reverse (22212122011), we get a palindrome (33234243233).

The spelling of 11022121222 in words is "eleven billion, twenty-two million, one hundred twenty-one thousand, two hundred twenty-two".