2001030103209 has 16 divisors (see below), whose sum is σ = 2682112619520. Its totient is φ = 1326984368640.

The previous prime is 2001030103201. The next prime is 2001030103211. The reversal of 2001030103209 is 9023010301002.

It is a happy number.

It is not a de Polignac number, because 2001030103209 - 2³ = 2001030103201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001030103201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19934457 + ... + 20034585.

It is an arithmetic number, because the mean of its divisors is an integer number (167632038720).

Almost surely, 2^{2001030103209} is an apocalyptic number.

It is an amenable number.

2001030103209 is a deficient number, since it is larger than the sum of its proper divisors (681082516311).

2001030103209 is a wasteful number, since it uses less digits than its factorization.

2001030103209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135200.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 2001030103209 in words is "two trillion, one billion, thirty million, one hundred three thousand, two hundred nine".