22120110221121 has 32 divisors (see below), whose sum is σ = 35750864073600. Its totient is φ = 13405680786240.

The previous prime is 22120110221089. The next prime is 22120110221137. The reversal of 22120110221121 is 12112201102122.

22120110221121 is a `hidden beast` number, since 2 + 212 + 0 + 110 + 221 + 121 = 666.

It is not a de Polignac number, because 22120110221121 - 2⁵ = 22120110221089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22120110221094 and 22120110221103.

It is not an unprimeable number, because it can be changed into a prime (22120110221191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7800115 + ... + 10250951.

It is an arithmetic number, because the mean of its divisors is an integer number (1117214502300).

Almost surely, 2^{22120110221121} is an apocalyptic number.

It is an amenable number.

22120110221121 is a deficient number, since it is larger than the sum of its proper divisors (13630753852479).

22120110221121 is a wasteful number, since it uses less digits than its factorization.

22120110221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481246 (or 2481240 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22120110221121 its reverse (12112201102122), we get a palindrome (34232311323243).

The spelling of 22120110221121 in words is "twenty-two trillion, one hundred twenty billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty-one".