12021102021001 has 8 divisors (see below), whose sum is σ = 12047004028224. Its totient is φ = 11995222929360.

The previous prime is 12021102020959. The next prime is 12021102021037. The reversal of 12021102021001 is 10012020112021.

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 12021102021001 - 2¹¹ = 12021102018953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021102021301) 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, 4678395 + ... + 6777136.

It is an arithmetic number, because the mean of its divisors is an integer number (1505875503528).

Almost surely, 2^{12021102021001} is an apocalyptic number.

It is an amenable number.

12021102021001 is a deficient number, since it is larger than the sum of its proper divisors (25902007223).

12021102021001 is a wasteful number, since it uses less digits than its factorization.

12021102021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11457791.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12021102021001 its reverse (10012020112021), we get a palindrome (22033122133022).

It can be divided in two parts, 120211020 and 21001, that added together give a palindrome (120232021).

The spelling of 12021102021001 in words is "twelve trillion, twenty-one billion, one hundred two million, twenty-one thousand, one".