2001232233100 has 36 divisors (see below), whose sum is σ = 4343175621400. Its totient is φ = 800400418560.

The previous prime is 2001232233071. The next prime is 2001232233103. The reversal of 2001232233100 is 13322321002.

It is a super-2 number, since 2×2001232233100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001232233103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282690 + ... + 2020489.

Almost surely, 2^{2001232233100} is an apocalyptic number.

2001232233100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001232233100 is an abundant number, since it is smaller than the sum of its proper divisors (2341943388300).

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

2001232233100 is a wasteful number, since it uses less digits than its factorization.

2001232233100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311882 (or 2311875 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2001232233100 its reverse (13322321002), we get a palindrome (2014554554102).

The spelling of 2001232233100 in words is "two trillion, one billion, two hundred thirty-two million, two hundred thirty-three thousand, one hundred".