10001504221 has 8 divisors (see below), whose sum is σ = 10540896800. Its totient is φ = 9463411440.

The previous prime is 10001504213. The next prime is 10001504267. The reversal of 10001504221 is 12240510001.

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

It is a cyclic number.

It is not a de Polignac number, because 10001504221 - 2³ = 10001504213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001504195 and 10001504204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001501221) 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, 309126 + ... + 339943.

It is an arithmetic number, because the mean of its divisors is an integer number (1317612100).

Almost surely, 2^10001504221 is an apocalyptic number.

It is an amenable number.

10001504221 is a deficient number, since it is larger than the sum of its proper divisors (539392579).

10001504221 is an equidigital number, since it uses as much as digits as its factorization.

10001504221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649899.

The product of its (nonzero) digits is 80, while the sum is 16.

The spelling of 10001504221 in words is "ten billion, one million, five hundred four thousand, two hundred twenty-one".