22021120122 has 8 divisors (see below), whose sum is σ = 44042240256. Its totient is φ = 7340373372.

The previous prime is 22021120117. The next prime is 22021120123. The reversal of 22021120122 is 22102112022.

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

22021120122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22021120123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835093338 + ... + 1835093349.

It is an arithmetic number, because the mean of its divisors is an integer number (5505280032).

Almost surely, 2^22021120122 is an apocalyptic number.

22021120122 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.

22021120122 is a wasteful number, since it uses less digits than its factorization.

22021120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670186692.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22021120122 its reverse (22102112022), we get a palindrome (44123232144).

The spelling of 22021120122 in words is "twenty-two billion, twenty-one million, one hundred twenty thousand, one hundred twenty-two".