10210000102021 has 4 divisors (see below), whose sum is σ = 10311089212044. Its totient is φ = 10108910992000.

The previous prime is 10210000101967. The next prime is 10210000102123. The reversal of 10210000102021 is 12020100001201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7010373539521 + 3199626562500 = 2647711^2 + 1788750^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210000102021 - 2²⁹ = 10209463231109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210000101989 and 10210000102007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210000106021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50544554860 + ... + 50544555061.

It is an arithmetic number, because the mean of its divisors is an integer number (2577772303011).

Almost surely, 2^{10210000102021} is an apocalyptic number.

It is an amenable number.

10210000102021 is a deficient number, since it is larger than the sum of its proper divisors (101089110023).

10210000102021 is a wasteful number, since it uses less digits than its factorization.

10210000102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101089110022.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10210000102021 its reverse (12020100001201), we get a palindrome (22230100103222).

The spelling of 10210000102021 in words is "ten trillion, two hundred ten billion, one hundred two thousand, twenty-one".