22022120021121 has 48 divisors (see below), whose sum is σ = 34955044300800. Its totient is φ = 13249336796160.

The previous prime is 22022120021093. The next prime is 22022120021129. The reversal of 22022120021121 is 12112002122022.

It is a happy number.

22022120021121 is a `hidden beast` number, since 220 + 2 + 212 + 0 + 0 + 211 + 21 = 666.

It is not a de Polignac number, because 22022120021121 - 2⁷ = 22022120020993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22022120021094 and 22022120021103.

It is not an unprimeable number, because it can be changed into a prime (22022120021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24592576 + ... + 25472318.

It is an arithmetic number, because the mean of its divisors is an integer number (728230089600).

Almost surely, 2^{22022120021121} is an apocalyptic number.

It is an amenable number.

22022120021121 is a deficient number, since it is larger than the sum of its proper divisors (12932924279679).

22022120021121 is a wasteful number, since it uses less digits than its factorization.

22022120021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881606 (or 881603 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22022120021121 its reverse (12112002122022), we get a palindrome (34134122143143).

The spelling of 22022120021121 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, twenty-one thousand, one hundred twenty-one".