2101315050 has 36 divisors (see below), whose sum is σ = 5645534310. Its totient is φ = 560350560.

The previous prime is 2101315043. The next prime is 2101315087. The reversal of 2101315050 is 505131012.

It can be written as a sum of positive squares in 3 ways, for example, as 1980161001 + 121154049 = 44499^2 + 11007^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2334345 + ... + 2335244.

Almost surely, 2^2101315050 is an apocalyptic number.

2101315050 is an abundant number, since it is smaller than the sum of its proper divisors (3544219260).

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

2101315050 is a wasteful number, since it uses less digits than its factorization.

2101315050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669607 (or 4669599 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 2101315050 is about 45840.1030758003. The cubic root of 2101315050 is about 1280.8464148657.

Adding to 2101315050 its reverse (505131012), we get a palindrome (2606446062).

It can be divided in two parts, 21013 and 15050, that added together give a palindrome (36063).

The spelling of 2101315050 in words is "two billion, one hundred one million, three hundred fifteen thousand, fifty".