2002110121212 has 24 divisors (see below), whose sum is σ = 4735584672336. Its totient is φ = 658227984768.

The previous prime is 2002110121211. The next prime is 2002110121237. The reversal of 2002110121212 is 2121210112002.

It is a junction number, because it is equal to n+sod(n) for n = 2002110121191 and 2002110121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002110121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142756043 + ... + 1142757794.

It is an arithmetic number, because the mean of its divisors is an integer number (197316028014).

Almost surely, 2^{2002110121212} is an apocalyptic number.

It is an amenable number.

2002110121212 is an abundant number, since it is smaller than the sum of its proper divisors (2733474551124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002110121212 is a wasteful number, since it uses less digits than its factorization.

2002110121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285513917 (or 2285513915 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2002110121212 its reverse (2121210112002), we get a palindrome (4123320233214).

The spelling of 2002110121212 in words is "two trillion, two billion, one hundred ten million, one hundred twenty-one thousand, two hundred twelve".