2002101122009 has 8 divisors (see below), whose sum is σ = 2035365978240. Its totient is φ = 1968850573200.

The previous prime is 2002101121913. The next prime is 2002101122023. The reversal of 2002101122009 is 9002211012002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002101122009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2002101122039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3294479 + ... + 3854580.

It is an arithmetic number, because the mean of its divisors is an integer number (254420747280).

Almost surely, 2^{2002101122009} is an apocalyptic number.

It is an amenable number.

2002101122009 is a deficient number, since it is larger than the sum of its proper divisors (33264856231).

2002101122009 is an equidigital number, since it uses as much as digits as its factorization.

2002101122009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7153711.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 2002101122009 in words is "two trillion, two billion, one hundred one million, one hundred twenty-two thousand, nine".