21032101304 has 32 divisors (see below), whose sum is σ = 39523407840. Its totient is φ = 10492560000.

The previous prime is 21032101303. The next prime is 21032101331. The reversal of 21032101304 is 40310123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032101303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11062754 + ... + 11064654.

It is an arithmetic number, because the mean of its divisors is an integer number (1235106495).

Almost surely, 2^21032101304 is an apocalyptic number.

It is an amenable number.

21032101304 is a deficient number, since it is larger than the sum of its proper divisors (18491306536).

21032101304 is a wasteful number, since it uses less digits than its factorization.

21032101304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271 (or 4267 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21032101304 its reverse (40310123012), we get a palindrome (61342224316).

The spelling of 21032101304 in words is "twenty-one billion, thirty-two million, one hundred one thousand, three hundred four".