2001101110512 has 40 divisors (see below), whose sum is σ = 5908012803456. Its totient is φ = 571743174336.

The previous prime is 2001101110511. The next prime is 2001101110523. The reversal of 2001101110512 is 2150111011002.

It is a junction number, because it is equal to n+sod(n) for n = 2001101110491 and 2001101110500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001101110511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2977828698 + ... + 2977829369.

Almost surely, 2^{2001101110512} is an apocalyptic number.

It is an amenable number.

2001101110512 is an abundant number, since it is smaller than the sum of its proper divisors (3906911692944).

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

2001101110512 is a wasteful number, since it uses less digits than its factorization.

2001101110512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955658085 (or 5955658079 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 2001101110512 its reverse (2150111011002), we get a palindrome (4151212121514).

The spelling of 2001101110512 in words is "two trillion, one billion, one hundred one million, one hundred ten thousand, five hundred twelve".