2003111221201 has 8 divisors (see below), whose sum is σ = 2109331162400. Its totient is φ = 1896970583520.

The previous prime is 2003111221187. The next prime is 2003111221219. The reversal of 2003111221201 is 1021221113002.

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 2003111221201 - 2⁵ = 2003111221169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003111221271) 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, 19774020 + ... + 19875061.

It is an arithmetic number, because the mean of its divisors is an integer number (263666395300).

Almost surely, 2^{2003111221201} is an apocalyptic number.

It is an amenable number.

2003111221201 is a deficient number, since it is larger than the sum of its proper divisors (106219941199).

2003111221201 is a wasteful number, since it uses less digits than its factorization.

2003111221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39651759.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2003111221201 its reverse (1021221113002), we get a palindrome (3024332334203).

The spelling of 2003111221201 in words is "two trillion, three billion, one hundred eleven million, two hundred twenty-one thousand, two hundred one".