22021101001222 has 4 divisors (see below), whose sum is σ = 33031651501836. Its totient is φ = 11010550500610.

The previous prime is 22021101001187. The next prime is 22021101001247. The reversal of 22021101001222 is 22210010112022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22021101001196 and 22021101001205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505275250304 + ... + 5505275250307.

It is an arithmetic number, because the mean of its divisors is an integer number (8257912875459).

Almost surely, 2^{22021101001222} is an apocalyptic number.

22021101001222 is a deficient number, since it is larger than the sum of its proper divisors (11010550500614).

22021101001222 is a wasteful number, since it uses less digits than its factorization.

22021101001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010550500613.

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

Adding to 22021101001222 its reverse (22210010112022), we get a palindrome (44231111113244).

The spelling of 22021101001222 in words is "twenty-two trillion, twenty-one billion, one hundred one million, one thousand, two hundred twenty-two".