10001500221 has 8 divisors (see below), whose sum is σ = 13431271840. Its totient is φ = 6619697712.

The previous prime is 10001500217. The next prime is 10001500261. The reversal of 10001500221 is 12200510001.

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

It is not a de Polignac number, because 10001500221 - 2² = 10001500217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001500197 and 10001500206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001500261) 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, 11991790 + ... + 11992623.

It is an arithmetic number, because the mean of its divisors is an integer number (1678908980).

Almost surely, 2^10001500221 is an apocalyptic number.

It is an amenable number.

10001500221 is a deficient number, since it is larger than the sum of its proper divisors (3429771619).

10001500221 is a wasteful number, since it uses less digits than its factorization.

10001500221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23984555.

The product of its (nonzero) digits is 20, while the sum is 12.

The spelling of 10001500221 in words is "ten billion, one million, five hundred thousand, two hundred twenty-one".