10222221222221 has 8 divisors (see below), whose sum is σ = 10263245275584. Its totient is φ = 10181206850560.

The previous prime is 10222221222197. The next prime is 10222221222233. The reversal of 10222221222221 is 12222212222201.

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 10222221222221 - 2²⁶ = 10222154113357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222221222281) 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, 300815 + ... + 4531548.

It is an arithmetic number, because the mean of its divisors is an integer number (1282905659448).

Almost surely, 2^{10222221222221} is an apocalyptic number.

It is an amenable number.

10222221222221 is a deficient number, since it is larger than the sum of its proper divisors (41024053363).

10222221222221 is an equidigital number, since it uses as much as digits as its factorization.

10222221222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840851.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 10222221222221 its reverse (12222212222201), we get a palindrome (22444433444422).

The spelling of 10222221222221 in words is "ten trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-one".