2101140550 has 24 divisors (see below), whose sum is σ = 3910582296. Its totient is φ = 839927040.

The previous prime is 2101140529. The next prime is 2101140553. The reversal of 2101140550 is 550411012.

It is a super-2 number, since 2×2101140550² = 8829583221708605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101140553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72469 + ... + 97231.

It is an arithmetic number, because the mean of its divisors is an integer number (162940929).

Almost surely, 2^2101140550 is an apocalyptic number.

2101140550 is a deficient number, since it is larger than the sum of its proper divisors (1809441746).

2101140550 is a wasteful number, since it uses less digits than its factorization.

2101140550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26472 (or 26467 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2101140550 is about 45838.1996810520. The cubic root of 2101140550 is about 1280.8109586742.

Adding to 2101140550 its reverse (550411012), we get a palindrome (2651551562).

The spelling of 2101140550 in words is "two billion, one hundred one million, one hundred forty thousand, five hundred fifty".