2001130422100 has 72 divisors (see below), whose sum is σ = 4400798275328. Its totient is φ = 789754665600.

The previous prime is 2001130422043. The next prime is 2001130422107. The reversal of 2001130422100 is 12240311002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001130422107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2432842 + ... + 3149758.

Almost surely, 2^{2001130422100} is an apocalyptic number.

2001130422100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001130422100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2200399137664).

2001130422100 is an abundant number, since it is smaller than the sum of its proper divisors (2399667853228).

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

2001130422100 is a wasteful number, since it uses less digits than its factorization.

2001130422100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717305 (or 717298 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2001130422100 its reverse (12240311002), we get a palindrome (2013370733102).

The spelling of 2001130422100 in words is "two trillion, one billion, one hundred thirty million, four hundred twenty-two thousand, one hundred".