21222022211122 has 8 divisors (see below), whose sum is σ = 32308153217136. Its totient is φ = 10452637805412.

The previous prime is 21222022211111. The next prime is 21222022211141. The reversal of 21222022211122 is 22111222022212.

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 = 21222022211093 and 21222022211102.

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, 79186649908 + ... + 79186650175.

It is an arithmetic number, because the mean of its divisors is an integer number (4038519152142).

Almost surely, 2^{21222022211122} is an apocalyptic number.

21222022211122 is a deficient number, since it is larger than the sum of its proper divisors (11086131006014).

21222022211122 is a wasteful number, since it uses less digits than its factorization.

21222022211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158373300152.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 21222022211122 its reverse (22111222022212), we get a palindrome (43333244233334).

The spelling of 21222022211122 in words is "twenty-one trillion, two hundred twenty-two billion, twenty-two million, two hundred eleven thousand, one hundred twenty-two".