221120310201 has 16 divisors (see below), whose sum is σ = 337413888000. Its totient is φ = 126178717968.

The previous prime is 221120310143. The next prime is 221120310227. The reversal of 221120310201 is 102013021122.

It is not a de Polignac number, because 221120310201 - 2¹⁷ = 221120179129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221120310601) 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 15 ways as a sum of consecutive naturals, for example, 7307251 + ... + 7337448.

It is an arithmetic number, because the mean of its divisors is an integer number (21088368000).

Almost surely, 2^221120310201 is an apocalyptic number.

221120310201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221120310201 is a deficient number, since it is larger than the sum of its proper divisors (116293577799).

221120310201 is a wasteful number, since it uses less digits than its factorization.

221120310201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14645428.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 221120310201 its reverse (102013021122), we get a palindrome (323133331323).

The spelling of 221120310201 in words is "two hundred twenty-one billion, one hundred twenty million, three hundred ten thousand, two hundred one".