2101722384 has 40 divisors (see below), whose sum is σ = 5446834912. Its totient is φ = 698330880.

The previous prime is 2101722349. The next prime is 2101722401. The reversal of 2101722384 is 4832271012.

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, 54922 + ... + 84969.

Almost surely, 2^2101722384 is an apocalyptic number.

2101722384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2101722384 is an abundant number, since it is smaller than the sum of its proper divisors (3345112528).

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

2101722384 is a wasteful number, since it uses less digits than its factorization.

2101722384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140215 (or 140209 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2101722384 is about 45844.5458478978. The cubic root of 2101722384 is about 1280.9291723410.

Adding to 2101722384 its reverse (4832271012), we get a palindrome (6933993396).

The spelling of 2101722384 in words is "two billion, one hundred one million, seven hundred twenty-two thousand, three hundred eighty-four".