22100121121 has 8 divisors (see below), whose sum is σ = 24306516864. Its totient is φ = 19966066320.

The previous prime is 22100121107. The next prime is 22100121133. The reversal of 22100121121 is 12112100122.

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 22100121121 - 2²³ = 22091732513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100125121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18084595 + ... + 18085816.

It is an arithmetic number, because the mean of its divisors is an integer number (3038314608).

Almost surely, 2^22100121121 is an apocalyptic number.

It is an amenable number.

22100121121 is a deficient number, since it is larger than the sum of its proper divisors (2206395743).

22100121121 is a wasteful number, since it uses less digits than its factorization.

22100121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36170471.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22100121121 its reverse (12112100122), we get a palindrome (34212221243).

The spelling of 22100121121 in words is "twenty-two billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-one".