2002102121120 has 96 divisors (see below), whose sum is σ = 4740375104640. Its totient is φ = 799080145920.

The previous prime is 2002102121111. The next prime is 2002102121161. The reversal of 2002102121120 is 211212012002.

It is a junction number, because it is equal to n+sod(n) for n = 2002102121095 and 2002102121104.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 195150551 + ... + 195160809.

It is an arithmetic number, because the mean of its divisors is an integer number (49378907340).

Almost surely, 2^{2002102121120} is an apocalyptic number.

2002102121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002102121120 is an abundant number, since it is smaller than the sum of its proper divisors (2738272983520).

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

2002102121120 is a wasteful number, since it uses less digits than its factorization.

2002102121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838 (or 12830 counting only the distinct ones).

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

Adding to 2002102121120 its reverse (211212012002), we get a palindrome (2213314133122).

The spelling of 2002102121120 in words is "two trillion, two billion, one hundred two million, one hundred twenty-one thousand, one hundred twenty".