10002210202021 has 8 divisors (see below), whose sum is σ = 10105455191384. Its totient is φ = 9898967854080.

The previous prime is 10002210202013. The next prime is 10002210202073. The reversal of 10002210202021 is 12020201220001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6789745449796 + 3212464752225 = 2605714^2 + 1792335^2 .

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 10002210202021 - 2³ = 10002210202013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002210201992 and 10002210202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002210202121) 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, 7465441 + ... + 8702713.

It is an arithmetic number, because the mean of its divisors is an integer number (1263181898923).

Almost surely, 2^{10002210202021} is an apocalyptic number.

It is an amenable number.

10002210202021 is a deficient number, since it is larger than the sum of its proper divisors (103244989363).

10002210202021 is an equidigital number, since it uses as much as digits as its factorization.

10002210202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320711.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10002210202021 its reverse (12020201220001), we get a palindrome (22022411422022).

The spelling of 10002210202021 in words is "ten trillion, two billion, two hundred ten million, two hundred two thousand, twenty-one".