2001331102232 has 64 divisors (see below), whose sum is σ = 4715274608640. Its totient is φ = 773599680000.

The previous prime is 2001331102219. The next prime is 2001331102247. The reversal of 2001331102232 is 2322011331002.

It is a super-2 number, since 2×2001331102232² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12712769 + ... + 12869232.

It is an arithmetic number, because the mean of its divisors is an integer number (73676165760).

Almost surely, 2^{2001331102232} is an apocalyptic number.

2001331102232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2001331102232 is an abundant number, since it is smaller than the sum of its proper divisors (2713943506408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001331102232 is a wasteful number, since it uses less digits than its factorization.

2001331102232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25582152 (or 25582148 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2001331102232 its reverse (2322011331002), we get a palindrome (4323342433234).

The spelling of 2001331102232 in words is "two trillion, one billion, three hundred thirty-one million, one hundred two thousand, two hundred thirty-two".