10002211002221 has 8 divisors (see below), whose sum is σ = 10438772477760. Its totient is φ = 9565789754752.

The previous prime is 10002211002211. The next prime is 10002211002239. The reversal of 10002211002221 is 12220011220001.

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 10002211002221 - 2¹⁰ = 10002211001197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002211002196 and 10002211002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002211002211) 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, 34911236 + ... + 35196573.

It is an arithmetic number, because the mean of its divisors is an integer number (1304846559720).

Almost surely, 2^{10002211002221} is an apocalyptic number.

It is an amenable number.

10002211002221 is a deficient number, since it is larger than the sum of its proper divisors (436561475539).

10002211002221 is an equidigital number, since it uses as much as digits as its factorization.

10002211002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70114035.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10002211002221 its reverse (12220011220001), we get a palindrome (22222222222222).

The spelling of 10002211002221 in words is "ten trillion, two billion, two hundred eleven million, two thousand, two hundred twenty-one".