2002021121120 has 96 divisors (see below), whose sum is σ = 4740599001600. Its totient is φ = 798977949696.

The previous prime is 2002021121071. The next prime is 2002021121161. The reversal of 2002021121120 is 211211202002.

It is a junction number, because it is equal to n+sod(n) for n = 2002021121095 and 2002021121104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133736996 + ... + 133751964.

It is an arithmetic number, because the mean of its divisors is an integer number (49381239600).

Almost surely, 2^{2002021121120} is an apocalyptic number.

2002021121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002021121120 is an abundant number, since it is smaller than the sum of its proper divisors (2738577880480).

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

2002021121120 is a wasteful number, since it uses less digits than its factorization.

2002021121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16840 (or 16832 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2002021121120 its reverse (211211202002), we get a palindrome (2213232323122).

The spelling of 2002021121120 in words is "two trillion, two billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty".