21222200112122 has 8 divisors (see below), whose sum is σ = 33508737019200. Its totient is φ = 10052621105724.

The previous prime is 21222200112119. The next prime is 21222200112133. The reversal of 21222200112122 is 22121100222212.

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 = 21222200112094 and 21222200112103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279239475122 + ... + 279239475197.

It is an arithmetic number, because the mean of its divisors is an integer number (4188592127400).

Almost surely, 2^{21222200112122} is an apocalyptic number.

21222200112122 is a deficient number, since it is larger than the sum of its proper divisors (12286536907078).

21222200112122 is a wasteful number, since it uses less digits than its factorization.

21222200112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558478950340.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 21222200112122 its reverse (22121100222212), we get a palindrome (43343300334334).

The spelling of 21222200112122 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred million, one hundred twelve thousand, one hundred twenty-two".