10012000000221 has 16 divisors (see below), whose sum is σ = 14832657875200. Its totient is φ = 6674637289824.

The previous prime is 10012000000187. The next prime is 10012000000229. The reversal of 10012000000221 is 12200000021001.

It is not a de Polignac number, because 10012000000221 - 2²⁷ = 10011865782493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012000000229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6686220 + ... + 8045466.

It is an arithmetic number, because the mean of its divisors is an integer number (927041117200).

Almost surely, 2^{10012000000221} is an apocalyptic number.

It is an amenable number.

10012000000221 is a deficient number, since it is larger than the sum of its proper divisors (4820657874979).

10012000000221 is a wasteful number, since it uses less digits than its factorization.

10012000000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632065 (or 1632059 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10012000000221 its reverse (12200000021001), we get a palindrome (22212000021222).

The spelling of 10012000000221 in words is "ten trillion, twelve billion, two hundred twenty-one", and thus it is an aban number.