221230301120303 has 16 divisors (see below), whose sum is σ = 231104603713536. Its totient is φ = 211377397271040.

The previous prime is 221230301120267. The next prime is 221230301120327. The reversal of 221230301120303 is 303021103032122.

It is not a de Polignac number, because 221230301120303 - 2²⁶ = 221230234011439 is a prime.

It is a super-2 number, since 2×221230301120303² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221230301720303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97150850 + ... + 99401952.

It is an arithmetic number, because the mean of its divisors is an integer number (14444037732096).

Almost surely, 2^{221230301120303} is an apocalyptic number.

221230301120303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

221230301120303 is a deficient number, since it is larger than the sum of its proper divisors (9874302593233).

221230301120303 is a wasteful number, since it uses less digits than its factorization.

221230301120303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255854.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221230301120303 its reverse (303021103032122), we get a palindrome (524251404152425).

The spelling of 221230301120303 in words is "two hundred twenty-one trillion, two hundred thirty billion, three hundred one million, one hundred twenty thousand, three hundred three".