21003127298 has 8 divisors (see below), whose sum is σ = 31630208400. Its totient is φ = 10459724500.

The previous prime is 21003127289. The next prime is 21003127333. The reversal of 21003127298 is 89272130012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-5 number, since 5×21003127298⁵ (a number of 53 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20918948 + ... + 20919951.

It is an arithmetic number, because the mean of its divisors is an integer number (3953776050).

Almost surely, 2^21003127298 is an apocalyptic number.

21003127298 is a deficient number, since it is larger than the sum of its proper divisors (10627081102).

21003127298 is a wasteful number, since it uses less digits than its factorization.

21003127298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41839152.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 21003127298 in words is "twenty-one billion, three million, one hundred twenty-seven thousand, two hundred ninety-eight".