2002101121988 has 48 divisors (see below), whose sum is σ = 3828517539840. Its totient is φ = 908540829600.

The previous prime is 2002101121913. The next prime is 2002101122023. The reversal of 2002101121988 is 8891211012002.

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, 184843733 + ... + 184854563.

It is an arithmetic number, because the mean of its divisors is an integer number (79760782080).

Almost surely, 2^{2002101121988} is an apocalyptic number.

It is an amenable number.

2002101121988 is a deficient number, since it is larger than the sum of its proper divisors (1826416417852).

2002101121988 is a wasteful number, since it uses less digits than its factorization.

2002101121988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17408 (or 17406 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 35.

The spelling of 2002101121988 in words is "two trillion, two billion, one hundred one million, one hundred twenty-one thousand, nine hundred eighty-eight".