10210221221221 has 8 divisors (see below), whose sum is σ = 11688501870144. Its totient is φ = 8736859976640.

The previous prime is 10210221221209. The next prime is 10210221221227. The reversal of 10210221221221 is 12212212201201.

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 10210221221221 - 2⁷ = 10210221221093 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 (10210221221227) 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, 1229846635 + ... + 1229854936.

It is an arithmetic number, because the mean of its divisors is an integer number (1461062733768).

Almost surely, 2^{10210221221221} is an apocalyptic number.

It is an amenable number.

10210221221221 is a deficient number, since it is larger than the sum of its proper divisors (1478280648923).

10210221221221 is an equidigital number, since it uses as much as digits as its factorization.

10210221221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459702171.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10210221221221 its reverse (12212212201201), we get a palindrome (22422433422422).

The spelling of 10210221221221 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty-one".