22100120121 has 8 divisors (see below), whose sum is σ = 29467667520. Its totient is φ = 14732993072.

The previous prime is 22100120089. The next prime is 22100120149. The reversal of 22100120121 is 12102100122.

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 22100120121 - 2⁵ = 22100120089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22100120097 and 22100120106.

It is not an unprimeable number, because it can be changed into a prime (22100120191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50500 + ... + 216218.

It is an arithmetic number, because the mean of its divisors is an integer number (3683458440).

Almost surely, 2^22100120121 is an apocalyptic number.

It is an amenable number.

22100120121 is a deficient number, since it is larger than the sum of its proper divisors (7367547399).

22100120121 is a wasteful number, since it uses less digits than its factorization.

22100120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210175.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22100120121 its reverse (12102100122), we get a palindrome (34202220243).

The spelling of 22100120121 in words is "twenty-two billion, one hundred million, one hundred twenty thousand, one hundred twenty-one".