2101144028 has 12 divisors (see below), whose sum is σ = 3677799720. Its totient is φ = 1050344112.

The previous prime is 2101143997. The next prime is 2101144033. The reversal of 2101144028 is 8204411012.

It is a junction number, because it is equal to n+sod(n) for n = 2101143994 and 2101144012.

It is a congruent number.

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, 35318 + ... + 73821.

It is an arithmetic number, because the mean of its divisors is an integer number (306483310).

Almost surely, 2^2101144028 is an apocalyptic number.

It is an amenable number.

2101144028 is a deficient number, since it is larger than the sum of its proper divisors (1576655692).

2101144028 is a wasteful number, since it uses less digits than its factorization.

2101144028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113956 (or 113954 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2101144028 is about 45838.2376188265. The cubic root of 2101144028 is about 1280.8116653790.

The spelling of 2101144028 in words is "two billion, one hundred one million, one hundred forty-four thousand, twenty-eight".