2121001133001 has 8 divisors (see below), whose sum is σ = 2976843695520. Its totient is φ = 1339579662912.

The previous prime is 2121001132973. The next prime is 2121001133051. The reversal of 2121001133001 is 1003311001212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2121001133001 - 2⁶ = 2121001132937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121001133051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18605273040 + ... + 18605273153.

It is an arithmetic number, because the mean of its divisors is an integer number (372105461940).

Almost surely, 2^{2121001133001} is an apocalyptic number.

It is an amenable number.

2121001133001 is a deficient number, since it is larger than the sum of its proper divisors (855842562519).

2121001133001 is a wasteful number, since it uses less digits than its factorization.

2121001133001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37210546215.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2121001133001 its reverse (1003311001212), we get a palindrome (3124312134213).

The spelling of 2121001133001 in words is "two trillion, one hundred twenty-one billion, one million, one hundred thirty-three thousand, one".