22011110121121 has 24 divisors (see below), whose sum is σ = 25472793548160. Its totient is φ = 18952922308320.

The previous prime is 22011110121107. The next prime is 22011110121181. The reversal of 22011110121121 is 12112101111022.

It is not a de Polignac number, because 22011110121121 - 2⁹ = 22011110120609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011110121095 and 22011110121104.

It is not an unprimeable number, because it can be changed into a prime (22011110121181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9869736 + ... + 11892598.

It is an arithmetic number, because the mean of its divisors is an integer number (1061366397840).

Almost surely, 2^{22011110121121} is an apocalyptic number.

It is an amenable number.

22011110121121 is a deficient number, since it is larger than the sum of its proper divisors (3461683427039).

22011110121121 is a wasteful number, since it uses less digits than its factorization.

22011110121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027637 (or 2027626 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 22011110121121 its reverse (12112101111022), we get a palindrome (34123211232143).

The spelling of 22011110121121 in words is "twenty-two trillion, eleven billion, one hundred ten million, one hundred twenty-one thousand, one hundred twenty-one".