2101404112 has 20 divisors (see below), whose sum is σ = 4074897796. Its totient is φ = 1049817600.

The previous prime is 2101404031. The next prime is 2101404113. The reversal of 2101404112 is 2114041012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11451456 + 2089952656 = 3384^2 + 45716^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101404113) 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, 35463 + ... + 73894.

Almost surely, 2^2101404112 is an apocalyptic number.

It is an amenable number.

2101404112 is a deficient number, since it is larger than the sum of its proper divisors (1973493684).

2101404112 is a wasteful number, since it uses less digits than its factorization.

2101404112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110566 (or 110560 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2101404112 is about 45841.0745074764. The cubic root of 2101404112 is about 1280.8645103804.

Adding to 2101404112 its reverse (2114041012), we get a palindrome (4215445124).

The spelling of 2101404112 in words is "two billion, one hundred one million, four hundred four thousand, one hundred twelve".