2101031112 has 16 divisors (see below), whose sum is σ = 5252577840. Its totient is φ = 700343696.

The previous prime is 2101031089. The next prime is 2101031129. The reversal of 2101031112 is 2111301012.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43771458 + ... + 43771505.

It is an arithmetic number, because the mean of its divisors is an integer number (328286115).

Almost surely, 2^2101031112 is an apocalyptic number.

It is an amenable number.

2101031112 is an abundant number, since it is smaller than the sum of its proper divisors (3151546728).

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

2101031112 is a wasteful number, since it uses less digits than its factorization.

2101031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87542972 (or 87542968 counting only the distinct ones).

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

The square root of 2101031112 is about 45837.0059231621. The cubic root of 2101031112 is about 1280.7887212560.

Adding to 2101031112 its reverse (2111301012), we get a palindrome (4212332124).

The spelling of 2101031112 in words is "two billion, one hundred one million, thirty-one thousand, one hundred twelve".