2101565224 has 32 divisors (see below), whose sum is σ = 4524904800. Its totient is φ = 904979520.

The previous prime is 2101565161. The next prime is 2101565239. The reversal of 2101565224 is 4225651012.

It is a junction number, because it is equal to n+sod(n) for n = 2101565192 and 2101565201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626787 + ... + 630130.

It is an arithmetic number, because the mean of its divisors is an integer number (141403275).

Almost surely, 2^2101565224 is an apocalyptic number.

It is an amenable number.

2101565224 is an abundant number, since it is smaller than the sum of its proper divisors (2423339576).

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

2101565224 is a wasteful number, since it uses less digits than its factorization.

2101565224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256953 (or 1256949 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2101565224 is about 45842.8317624468. The cubic root of 2101565224 is about 1280.8972436321.

The spelling of 2101565224 in words is "two billion, one hundred one million, five hundred sixty-five thousand, two hundred twenty-four".