22033130121 has 6 divisors (see below), whose sum is σ = 31825632410. Its totient is φ = 14688753408.

The previous prime is 22033130089. The next prime is 22033130149. The reversal of 22033130121 is 12103133022.

It can be written as a sum of positive squares in only one way, i.e., 14051494521 + 7981635600 = 118539^2 + 89340^2 .

It is not a de Polignac number, because 22033130121 - 2⁵ = 22033130089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22033130094 and 22033130103.

It is not an unprimeable number, because it can be changed into a prime (22033130221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224062776 + ... + 1224062793.

Almost surely, 2^22033130121 is an apocalyptic number.

It is an amenable number.

22033130121 is a deficient number, since it is larger than the sum of its proper divisors (9792502289).

22033130121 is a wasteful number, since it uses less digits than its factorization.

22033130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448125575 (or 2448125572 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22033130121 its reverse (12103133022), we get a palindrome (34136263143).

The spelling of 22033130121 in words is "twenty-two billion, thirty-three million, one hundred thirty thousand, one hundred twenty-one".