2002121122001 has 16 divisors (see below), whose sum is σ = 2688162626688. Its totient is φ = 1440087120000.

The previous prime is 2002121121997. The next prime is 2002121122021. The reversal of 2002121122001 is 1002211212002.

It is a cyclic number.

It is not a de Polignac number, because 2002121122001 - 2² = 2002121121997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2002121122021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000059500 + ... + 1000061501.

It is an arithmetic number, because the mean of its divisors is an integer number (168010164168).

Almost surely, 2^{2002121122001} is an apocalyptic number.

It is an amenable number.

2002121122001 is a deficient number, since it is larger than the sum of its proper divisors (686041504687).

2002121122001 is a wasteful number, since it uses less digits than its factorization.

2002121122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000121032.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2002121122001 its reverse (1002211212002), we get a palindrome (3004332334003).

Subtracting from 2002121122001 its reverse (1002211212002), we obtain a palindrome (999909909999).

The spelling of 2002121122001 in words is "two trillion, two billion, one hundred twenty-one million, one hundred twenty-two thousand, one".