10012221000121 has 8 divisors (see below), whose sum is σ = 10624611821760. Its totient is φ = 9414586583952.

The previous prime is 10012221000113. The next prime is 10012221000161. The reversal of 10012221000121 is 12100012221001.

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 10012221000121 - 2³ = 10012221000113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012221000161) 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, 3689099970 + ... + 3689102683.

It is an arithmetic number, because the mean of its divisors is an integer number (1328076477720).

Almost surely, 2^{10012221000121} is an apocalyptic number.

It is an amenable number.

10012221000121 is a deficient number, since it is larger than the sum of its proper divisors (612390821639).

10012221000121 is an equidigital number, since it uses as much as digits as its factorization.

10012221000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7378202735.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10012221000121 its reverse (12100012221001), we get a palindrome (22112233221122).

The spelling of 10012221000121 in words is "ten trillion, twelve billion, two hundred twenty-one million, one hundred twenty-one", and thus it is an aban number.