2101091424 has 48 divisors (see below), whose sum is σ = 5518533888. Its totient is φ = 699961472.

The previous prime is 2101091417. The next prime is 2101091467. The reversal of 2101091424 is 4241901012.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2101091394 and 2101091403.

It is a congruent number.

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, 195109 + ... + 205595.

It is an arithmetic number, because the mean of its divisors is an integer number (114969456).

Almost surely, 2^2101091424 is an apocalyptic number.

2101091424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2101091424 is an abundant number, since it is smaller than the sum of its proper divisors (3417442464).

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

2101091424 is a wasteful number, since it uses less digits than its factorization.

2101091424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12587 (or 12579 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2101091424 is about 45837.6638148150. The cubic root of 2101091424 is about 1280.8009765386.

Adding to 2101091424 its reverse (4241901012), we get a palindrome (6342992436).

The spelling of 2101091424 in words is "two billion, one hundred one million, ninety-one thousand, four hundred twenty-four".