2002110121121 has 8 divisors (see below), whose sum is σ = 2201317929984. Its totient is φ = 1805768611920.

The previous prime is 2002110121111. The next prime is 2002110121127. The reversal of 2002110121121 is 1211210112002.

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 2002110121121 - 2⁶ = 2002110121057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002110121096 and 2002110121105.

It is not an unprimeable number, because it can be changed into a prime (2002110121127) 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, 716573450 + ... + 716576243.

It is an arithmetic number, because the mean of its divisors is an integer number (275164741248).

Almost surely, 2^{2002110121121} is an apocalyptic number.

It is an amenable number.

2002110121121 is a deficient number, since it is larger than the sum of its proper divisors (199207808863).

2002110121121 is a wasteful number, since it uses less digits than its factorization.

2002110121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433149831.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2002110121121 its reverse (1211210112002), we get a palindrome (3213320233123).

The spelling of 2002110121121 in words is "two trillion, two billion, one hundred ten million, one hundred twenty-one thousand, one hundred twenty-one".