221013133221303 has 20 divisors (see below), whose sum is σ = 330162673828680. Its totient is φ = 147338852118192.

The previous prime is 221013133221277. The next prime is 221013133221313. The reversal of 221013133221303 is 303122331310122.

221013133221303 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 1 + 3 + 1 + 332 + 21 + 303 = 666.

221013133221303 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221013133221303 - 2²⁰ = 221013132172727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221013133221313) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26256513 + ... + 33636746.

It is an arithmetic number, because the mean of its divisors is an integer number (16508133691434).

Almost surely, 2^{221013133221303} is an apocalyptic number.

221013133221303 is a deficient number, since it is larger than the sum of its proper divisors (109149540607377).

221013133221303 is an equidigital number, since it uses as much as digits as its factorization.

221013133221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59938828 (or 59938819 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 221013133221303 its reverse (303122331310122), we get a palindrome (524135464531425).

The spelling of 221013133221303 in words is "two hundred twenty-one trillion, thirteen billion, one hundred thirty-three million, two hundred twenty-one thousand, three hundred three".