2002001121201 has 16 divisors (see below), whose sum is σ = 2670617214144. Its totient is φ = 1334026385664.

The previous prime is 2002001121193. The next prime is 2002001121259. The reversal of 2002001121201 is 1021211002002.

It is not a de Polignac number, because 2002001121201 - 2³ = 2002001121193 is a prime.

It is a super-2 number, since 2×2002001121201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2002001121301) 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, 63224565 + ... + 63256221.

It is an arithmetic number, because the mean of its divisors is an integer number (166913575884).

Almost surely, 2^{2002001121201} is an apocalyptic number.

It is an amenable number.

2002001121201 is a deficient number, since it is larger than the sum of its proper divisors (668616092943).

2002001121201 is a wasteful number, since it uses less digits than its factorization.

2002001121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41120.

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

Adding to 2002001121201 its reverse (1021211002002), we get a palindrome (3023212123203).

The spelling of 2002001121201 in words is "two trillion, two billion, one million, one hundred twenty-one thousand, two hundred one".