10212101200021 has 8 divisors (see below), whose sum is σ = 11671736879360. Its totient is φ = 8752656540528.

The previous prime is 10212101200009. The next prime is 10212101200031. The reversal of 10212101200021 is 12000210121201.

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 10212101200021 - 2¹³ = 10212101191829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212101199974 and 10212101200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212101200031) 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, 47640381 + ... + 47854258.

It is an arithmetic number, because the mean of its divisors is an integer number (1458967109920).

Almost surely, 2^{10212101200021} is an apocalyptic number.

It is an amenable number.

10212101200021 is a deficient number, since it is larger than the sum of its proper divisors (1459635679339).

10212101200021 is an equidigital number, since it uses as much as digits as its factorization.

10212101200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95509923.

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

Adding to 10212101200021 its reverse (12000210121201), we get a palindrome (22212311321222).

The spelling of 10212101200021 in words is "ten trillion, two hundred twelve billion, one hundred one million, two hundred thousand, twenty-one".