220121022221201 has 8 divisors (see below), whose sum is σ = 220526552481984. Its totient is φ = 219715503330960.

The previous prime is 220121022221147. The next prime is 220121022221203. The reversal of 220121022221201 is 102122220121022.

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 220121022221201 - 2¹⁴ = 220121022204817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220121022221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36409556 + ... + 42022586.

It is an arithmetic number, because the mean of its divisors is an integer number (27565819060248).

Almost surely, 2^{220121022221201} is an apocalyptic number.

It is an amenable number.

220121022221201 is a deficient number, since it is larger than the sum of its proper divisors (405530260783).

220121022221201 is an equidigital number, since it uses as much as digits as its factorization.

220121022221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685271.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220121022221201 its reverse (102122220121022), we get a palindrome (322243242342223).

The spelling of 220121022221201 in words is "two hundred twenty trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty-one thousand, two hundred one".