2002201121001 has 8 divisors (see below), whose sum is σ = 2699597017440. Its totient is φ = 1319802985952.

The previous prime is 2002201120987. The next prime is 2002201121021. The reversal of 2002201121001 is 1001211022002.

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 2002201121001 - 2¹⁸ = 2002200858857 is a prime.

It is a super-2 number, since 2×2002201121001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2002201121021) 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, 3749440035 + ... + 3749440568.

It is an arithmetic number, because the mean of its divisors is an integer number (337449627180).

Almost surely, 2^{2002201121001} is an apocalyptic number.

It is an amenable number.

2002201121001 is a deficient number, since it is larger than the sum of its proper divisors (697395896439).

2002201121001 is an equidigital number, since it uses as much as digits as its factorization.

2002201121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498880695.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2002201121001 its reverse (1001211022002), we get a palindrome (3003412143003).

The spelling of 2002201121001 in words is "two trillion, two billion, two hundred one million, one hundred twenty-one thousand, one".