2001351100321 has 32 divisors (see below), whose sum is σ = 2163044632320. Its totient is φ = 1845002686464.

The previous prime is 2001351100283. The next prime is 2001351100327. The reversal of 2001351100321 is 1230011531002.

It is not a de Polignac number, because 2001351100321 - 2¹³ = 2001351092129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001351100327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113170546 + ... + 113188228.

It is an arithmetic number, because the mean of its divisors is an integer number (67595144760).

Almost surely, 2^{2001351100321} is an apocalyptic number.

It is an amenable number.

2001351100321 is a deficient number, since it is larger than the sum of its proper divisors (161693531999).

2001351100321 is a wasteful number, since it uses less digits than its factorization.

2001351100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18505.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 2001351100321 its reverse (1230011531002), we get a palindrome (3231362631323).

The spelling of 2001351100321 in words is "two trillion, one billion, three hundred fifty-one million, one hundred thousand, three hundred twenty-one".