2001101912 has 16 divisors (see below), whose sum is σ = 3756042360. Its totient is φ = 999490624.

The previous prime is 2001101911. The next prime is 2001101933. The reversal of 2001101912 is 2191011002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001101911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124493 + ... + 139644.

Almost surely, 2^2001101912 is an apocalyptic number.

It is an amenable number.

2001101912 is a deficient number, since it is larger than the sum of its proper divisors (1754940448).

2001101912 is a wasteful number, since it uses less digits than its factorization.

2001101912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265090 (or 265086 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 2001101912 is about 44733.6776042391. The cubic root of 2001101912 is about 1260.1523944338.

Adding to 2001101912 its reverse (2191011002), we get a palindrome (4192112914).

The spelling of 2001101912 in words is "two billion, one million, one hundred one thousand, nine hundred twelve".