220201333221121 has 4 divisors (see below), whose sum is σ = 251658666538432. Its totient is φ = 188743999903812.

The previous prime is 220201333221113. The next prime is 220201333221137. The reversal of 220201333221121 is 121122333102022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220201333221121 - 2³ = 220201333221113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220201333221101) 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 3 ways as a sum of consecutive naturals, for example, 15728666658645 + ... + 15728666658658.

It is an arithmetic number, because the mean of its divisors is an integer number (62914666634608).

Almost surely, 2^{220201333221121} is an apocalyptic number.

It is an amenable number.

220201333221121 is a deficient number, since it is larger than the sum of its proper divisors (31457333317311).

220201333221121 is an equidigital number, since it uses as much as digits as its factorization.

220201333221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31457333317310.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 220201333221121 its reverse (121122333102022), we get a palindrome (341323666323143).

The spelling of 220201333221121 in words is "two hundred twenty trillion, two hundred one billion, three hundred thirty-three million, two hundred twenty-one thousand, one hundred twenty-one".