10210000010021 has 8 divisors (see below), whose sum is σ = 11675805533184. Its totient is φ = 8746003010160.

The previous prime is 10210000010009. The next prime is 10210000010071. The reversal of 10210000010021 is 12001000001201.

10210000010021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10210000010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210000009990 and 10210000010008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210000010071) 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, 452118725 + ... + 452141306.

It is an arithmetic number, because the mean of its divisors is an integer number (1459475691648).

Almost surely, 2^{10210000010021} is an apocalyptic number.

It is an amenable number.

10210000010021 is a deficient number, since it is larger than the sum of its proper divisors (1465805523163).

10210000010021 is an equidigital number, since it uses as much as digits as its factorization.

10210000010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904261651.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10210000010021 its reverse (12001000001201), we get a palindrome (22211000011222).

The spelling of 10210000010021 in words is "ten trillion, two hundred ten billion, ten thousand, twenty-one".