22221121120122 has 8 divisors (see below), whose sum is σ = 44442242240256. Its totient is φ = 7407040373372.

The previous prime is 22221121120109. The next prime is 22221121120151. The reversal of 22221121120122 is 22102112112222.

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

22221121120122 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1851760093338 + ... + 1851760093349.

It is an arithmetic number, because the mean of its divisors is an integer number (5555280280032).

Almost surely, 2^{22221121120122} is an apocalyptic number.

22221121120122 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.

22221121120122 is a wasteful number, since it uses less digits than its factorization.

22221121120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703520186692.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22221121120122 its reverse (22102112112222), we get a palindrome (44323233232344).

The spelling of 22221121120122 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".