2002001201121 has 32 divisors (see below), whose sum is σ = 2694327552000. Its totient is φ = 1322215792128.

The previous prime is 2002001201119. The next prime is 2002001201143. The reversal of 2002001201121 is 1211021002002.

It is not a de Polignac number, because 2002001201121 - 2¹ = 2002001201119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002001201097 and 2002001201106.

It is not an unprimeable number, because it can be changed into a prime (2002001201621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 631743825 + ... + 631746993.

It is an arithmetic number, because the mean of its divisors is an integer number (84197736000).

Almost surely, 2^{2002001201121} is an apocalyptic number.

It is an amenable number.

2002001201121 is a deficient number, since it is larger than the sum of its proper divisors (692326350879).

2002001201121 is a wasteful number, since it uses less digits than its factorization.

2002001201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093.

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

Adding to 2002001201121 its reverse (1211021002002), we get a palindrome (3213022203123).

The spelling of 2002001201121 in words is "two trillion, two billion, one million, two hundred one thousand, one hundred twenty-one".