10002211220221 has 8 divisors (see below), whose sum is σ = 10911648333600. Its totient is φ = 9092798304240.

The previous prime is 10002211220171. The next prime is 10002211220227. The reversal of 10002211220221 is 12202211220001.

It is a happy number.

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 10002211220221 - 2²⁵ = 10002177665789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002211220195 and 10002211220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002211220227) 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, 5179611 + ... + 6843448.

It is an arithmetic number, because the mean of its divisors is an integer number (1363956041700).

Almost surely, 2^{10002211220221} is an apocalyptic number.

10002211220221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10002211220221 is a deficient number, since it is larger than the sum of its proper divisors (909437113379).

10002211220221 is a wasteful number, since it uses less digits than its factorization.

10002211220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12098699.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10002211220221 its reverse (12202211220001), we get a palindrome (22204422440222).

The spelling of 10002211220221 in words is "ten trillion, two billion, two hundred eleven million, two hundred twenty thousand, two hundred twenty-one".