22133121001 has 8 divisors (see below), whose sum is σ = 23042173320. Its totient is φ = 21233791488.

The previous prime is 22133120987. The next prime is 22133121011. The reversal of 22133121001 is 10012133122.

It can be written as a sum of positive squares in 4 ways, for example, as 58293225 + 22074827776 = 7635^2 + 148576^2 .

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 22133121001 - 2¹³ = 22133112809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22133121011) 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, 2426056 + ... + 2435161.

It is an arithmetic number, because the mean of its divisors is an integer number (2880271665).

Almost surely, 2^22133121001 is an apocalyptic number.

It is an amenable number.

22133121001 is a deficient number, since it is larger than the sum of its proper divisors (909052319).

22133121001 is a wasteful number, since it uses less digits than its factorization.

22133121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861403.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22133121001 its reverse (10012133122), we get a palindrome (32145254123).

The spelling of 22133121001 in words is "twenty-two billion, one hundred thirty-three million, one hundred twenty-one thousand, one".