10220121322221 has 32 divisors (see below), whose sum is σ = 13719873024000. Its totient is φ = 6767025344640.

The previous prime is 10220121322211. The next prime is 10220121322223. The reversal of 10220121322221 is 12222312102201.

It is not a de Polignac number, because 10220121322221 - 2⁶ = 10220121322157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220121322223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 961345576 + ... + 961356206.

It is an arithmetic number, because the mean of its divisors is an integer number (428746032000).

Almost surely, 2^{10220121322221} is an apocalyptic number.

It is an amenable number.

10220121322221 is a deficient number, since it is larger than the sum of its proper divisors (3499751701779).

10220121322221 is a wasteful number, since it uses less digits than its factorization.

10220121322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13569.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10220121322221 its reverse (12222312102201), we get a palindrome (22442433424422).

The spelling of 10220121322221 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, three hundred twenty-two thousand, two hundred twenty-one".