22121333121001 has 32 divisors (see below), whose sum is σ = 23386199316480. Its totient is φ = 20866791355200.

The previous prime is 22121333120989. The next prime is 22121333121023. The reversal of 22121333121001 is 10012133312122.

It is a cyclic number.

It is not a de Polignac number, because 22121333121001 - 2⁹ = 22121333120489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121333127001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13974309456 + ... + 13974311038.

It is an arithmetic number, because the mean of its divisors is an integer number (730818728640).

Almost surely, 2^{22121333121001} is an apocalyptic number.

It is an amenable number.

22121333121001 is a deficient number, since it is larger than the sum of its proper divisors (1264866195479).

22121333121001 is a wasteful number, since it uses less digits than its factorization.

22121333121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 22121333121001 its reverse (10012133312122), we get a palindrome (32133466433123).

The spelling of 22121333121001 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred thirty-three million, one hundred twenty-one thousand, one".