2002120201128 has 16 divisors (see below), whose sum is σ = 5005300502880. Its totient is φ = 667373400368.

The previous prime is 2002120201121. The next prime is 2002120201139. The reversal of 2002120201128 is 8211020212002.

It is not an unprimeable number, because it can be changed into a prime (2002120201121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41710837500 + ... + 41710837547.

It is an arithmetic number, because the mean of its divisors is an integer number (312831281430).

Almost surely, 2^{2002120201128} is an apocalyptic number.

It is an amenable number.

2002120201128 is an abundant number, since it is smaller than the sum of its proper divisors (3003180301752).

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

2002120201128 is a wasteful number, since it uses less digits than its factorization.

2002120201128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83421675056 (or 83421675052 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The spelling of 2002120201128 in words is "two trillion, two billion, one hundred twenty million, two hundred one thousand, one hundred twenty-eight".