12021002101001 has 8 divisors (see below), whose sum is σ = 12036974315520. Its totient is φ = 12005030771712.

The previous prime is 12021002100997. The next prime is 12021002101019. The reversal of 12021002101001 is 10010120012021.

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 12021002101001 - 2² = 12021002100997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021002101051) 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, 29622596 + ... + 30025658.

It is an arithmetic number, because the mean of its divisors is an integer number (1504621789440).

Almost surely, 2^{12021002101001} is an apocalyptic number.

It is an amenable number.

12021002101001 is a deficient number, since it is larger than the sum of its proper divisors (15972214519).

12021002101001 is an equidigital number, since it uses as much as digits as its factorization.

12021002101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442615.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12021002101001 its reverse (10010120012021), we get a palindrome (22031122113022).

The spelling of 12021002101001 in words is "twelve trillion, twenty-one billion, two million, one hundred one thousand, one".