2001132110100 has 72 divisors (see below), whose sum is σ = 5790095674048. Its totient is φ = 533621088000.

The previous prime is 2001132110077. The next prime is 2001132110101. The reversal of 2001132110100 is 10112311002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001132110101) 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, 16319217 + ... + 16441383.

Almost surely, 2^{2001132110100} is an apocalyptic number.

2001132110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001132110100 is an abundant number, since it is smaller than the sum of its proper divisors (3788963563948).

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

2001132110100 is a wasteful number, since it uses less digits than its factorization.

2001132110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176785 (or 176778 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 2001132110100 its reverse (10112311002), we get a palindrome (2011244421102).

The spelling of 2001132110100 in words is "two trillion, one billion, one hundred thirty-two million, one hundred ten thousand, one hundred".