22121122002222 has 8 divisors (see below), whose sum is σ = 44242244004456. Its totient is φ = 7373707334072.

The previous prime is 22121122002193. The next prime is 22121122002241. The reversal of 22121122002222 is 22220022112122.

It is a sphenic number, since it is the product of 3 distinct primes.

22121122002222 is an admirable number.

It is a congruent number.

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, 1843426833513 + ... + 1843426833524.

It is an arithmetic number, because the mean of its divisors is an integer number (5530280500557).

Almost surely, 2^{22121122002222} is an apocalyptic number.

22121122002222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121122002222 is a wasteful number, since it uses less digits than its factorization.

22121122002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686853667042.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22121122002222 its reverse (22220022112122), we get a palindrome (44341144114344).

The spelling of 22121122002222 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty-two million, two thousand, two hundred twenty-two".