2002012110121 has 32 divisors (see below), whose sum is σ = 2150323200000. Its totient is φ = 1860451424832.

The previous prime is 2002012110107. The next prime is 2002012110143. The reversal of 2002012110121 is 1210112102002.

It is not a de Polignac number, because 2002012110121 - 2³³ = 1993422175529 is a prime.

It is a super-2 number, since 2×2002012110121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002012110191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54682980 + ... + 54719578.

It is an arithmetic number, because the mean of its divisors is an integer number (67197600000).

Almost surely, 2^{2002012110121} is an apocalyptic number.

It is an amenable number.

2002012110121 is a deficient number, since it is larger than the sum of its proper divisors (148311089879).

2002012110121 is a wasteful number, since it uses less digits than its factorization.

2002012110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37341.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2002012110121 its reverse (1210112102002), we get a palindrome (3212124212123).

The spelling of 2002012110121 in words is "two trillion, two billion, twelve million, one hundred ten thousand, one hundred twenty-one".