22111021021121 has 8 divisors (see below), whose sum is σ = 22713188270400. Its totient is φ = 21509094408048.

The previous prime is 22111021021099. The next prime is 22111021021123. The reversal of 22111021021121 is 12112012011122.

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

It is a cyclic number.

It is not a de Polignac number, because 22111021021121 - 2³⁰ = 22109947279297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22111021021121.

It is not an unprimeable number, because it can be changed into a prime (22111021021123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 59972771 + ... + 60340328.

It is an arithmetic number, because the mean of its divisors is an integer number (2839148533800).

Almost surely, 2^{22111021021121} is an apocalyptic number.

It is an amenable number.

22111021021121 is a deficient number, since it is larger than the sum of its proper divisors (602167249279).

22111021021121 is a wasteful number, since it uses less digits than its factorization.

22111021021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120318103.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111021021121 its reverse (12112012011122), we get a palindrome (34223033032243).

Subtracting from 22111021021121 its reverse (12112012011122), we obtain a palindrome (9999009009999).

The spelling of 22111021021121 in words is "twenty-two trillion, one hundred eleven billion, twenty-one million, twenty-one thousand, one hundred twenty-one".