2141021304 has 48 divisors (see below), whose sum is σ = 5807500920. Its totient is φ = 712578240.

The previous prime is 2141021297. The next prime is 2141021321. The reversal of 2141021304 is 4031201412.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25099 + ... + 70085.

Almost surely, 2^2141021304 is an apocalyptic number.

2141021304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2141021304 is an abundant number, since it is smaller than the sum of its proper divisors (3666479616).

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

2141021304 is a wasteful number, since it uses less digits than its factorization.

2141021304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45660 (or 45653 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2141021304 is about 46271.1714137431. The cubic root of 2141021304 is about 1288.8637118590.

Adding to 2141021304 its reverse (4031201412), we get a palindrome (6172222716).

The spelling of 2141021304 in words is "two billion, one hundred forty-one million, twenty-one thousand, three hundred four".