2021121133001 has 8 divisors (see below), whose sum is σ = 2049956064000. Its totient is φ = 1992296436480.

The previous prime is 2021121132977. The next prime is 2021121133061. The reversal of 2021121133001 is 1003311211202.

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 2021121133001 - 2⁶ = 2021121132937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021121133061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160401 + ... + 2951198.

It is an arithmetic number, because the mean of its divisors is an integer number (256244508000).

Almost surely, 2^{2021121133001} is an apocalyptic number.

It is an amenable number.

2021121133001 is a deficient number, since it is larger than the sum of its proper divisors (28834930999).

2021121133001 is an equidigital number, since it uses as much as digits as its factorization.

2021121133001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117239.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2021121133001 its reverse (1003311211202), we get a palindrome (3024432344203).

The spelling of 2021121133001 in words is "two trillion, twenty-one billion, one hundred twenty-one million, one hundred thirty-three thousand, one".