22121222202122 has 8 divisors (see below), whose sum is σ = 33182323644000. Its totient is φ = 11060447654124.

The previous prime is 22121222202091. The next prime is 22121222202143. The reversal of 22121222202122 is 22120222212122.

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

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, 81554222 + ... + 81825017.

It is an arithmetic number, because the mean of its divisors is an integer number (4147790455500).

Almost surely, 2^{22121222202122} is an apocalyptic number.

22121222202122 is a deficient number, since it is larger than the sum of its proper divisors (11061101441878).

22121222202122 is a wasteful number, since it uses less digits than its factorization.

22121222202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163446940.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22121222202122 its reverse (22120222212122), we get a palindrome (44241444414244).

The spelling of 22121222202122 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred two thousand, one hundred twenty-two".