2001355001103 has 8 divisors (see below), whose sum is σ = 2675906409600. Its totient is φ = 1330520130008.

The previous prime is 2001355001081. The next prime is 2001355001171. The reversal of 2001355001103 is 3011005531002.

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

It is a cyclic number.

It is not a de Polignac number, because 2001355001103 - 2²⁵ = 2001321446671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001355001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001355001903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929133093 + ... + 929135246.

It is an arithmetic number, because the mean of its divisors is an integer number (334488301200).

Almost surely, 2^{2001355001103} is an apocalyptic number.

2001355001103 is a deficient number, since it is larger than the sum of its proper divisors (674551408497).

2001355001103 is a wasteful number, since it uses less digits than its factorization.

2001355001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858268701.

The product of its (nonzero) digits is 450, while the sum is 21.

The spelling of 2001355001103 in words is "two trillion, one billion, three hundred fifty-five million, one thousand, one hundred three".