2002011021001 has 8 divisors (see below), whose sum is σ = 2065864076864. Its totient is φ = 1938670841520.

The previous prime is 2002011020921. The next prime is 2002011021029. The reversal of 2002011021001 is 1001201102002.

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 2002011021001 - 2²⁹ = 2001474150089 is a prime.

It is a super-3 number, since 3×2002011021001³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002011021091) 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, 128211165 + ... + 128226778.

It is an arithmetic number, because the mean of its divisors is an integer number (258233009608).

Almost surely, 2^{2002011021001} is an apocalyptic number.

It is an amenable number.

2002011021001 is a deficient number, since it is larger than the sum of its proper divisors (63853055863).

2002011021001 is a wasteful number, since it uses less digits than its factorization.

2002011021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256438191.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2002011021001 its reverse (1001201102002), we get a palindrome (3003212123003).

The spelling of 2002011021001 in words is "two trillion, two billion, eleven million, twenty-one thousand, one".