2101313112 has 16 divisors (see below), whose sum is σ = 5253282840. Its totient is φ = 700437696.

The previous prime is 2101313107. The next prime is 2101313119. The reversal of 2101313112 is 2113131012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2101313091 and 2101313100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101313119) 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, 43777333 + ... + 43777380.

Almost surely, 2^2101313112 is an apocalyptic number.

It is an amenable number.

2101313112 is an abundant number, since it is smaller than the sum of its proper divisors (3151969728).

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

2101313112 is a wasteful number, since it uses less digits than its factorization.

2101313112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87554722 (or 87554718 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2101313112 is about 45840.0819370995. The cubic root of 2101313112 is about 1280.8460210994.

Adding to 2101313112 its reverse (2113131012), we get a palindrome (4214444124).

The spelling of 2101313112 in words is "two billion, one hundred one million, three hundred thirteen thousand, one hundred twelve".