201003111001 has 16 divisors (see below), whose sum is σ = 251245537920. Its totient is φ = 156223140480.

The previous prime is 201003110993. The next prime is 201003111017. The reversal of 201003111001 is 100111300102.

It is not a de Polignac number, because 201003111001 - 2³ = 201003110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201003111091) 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, 3325356 + ... + 3385261.

It is an arithmetic number, because the mean of its divisors is an integer number (15702846120).

Almost surely, 2^201003111001 is an apocalyptic number.

It is an amenable number.

201003111001 is a deficient number, since it is larger than the sum of its proper divisors (50242426919).

201003111001 is a wasteful number, since it uses less digits than its factorization.

201003111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711024.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 201003111001 its reverse (100111300102), we get a palindrome (301114411103).

The spelling of 201003111001 in words is "two hundred one billion, three million, one hundred eleven thousand, one".