221303222113131 has 12 divisors (see below), whose sum is σ = 319705751940120. Its totient is φ = 147514461922080.

The previous prime is 221303222113097. The next prime is 221303222113187. The reversal of 221303222113131 is 131311222303122.

221303222113131 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 0 + 322 + 21 + 1 + 313 + 1 = 666.

221303222113131 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 221303222113131 - 2⁷ = 221303222113003 is a prime.

It is a super-2 number, since 2×221303222113131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221303222113095 and 221303222113104.

It is not an unprimeable number, because it can be changed into a prime (221303222113331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1751557210 + ... + 1751683551.

It is an arithmetic number, because the mean of its divisors is an integer number (26642145995010).

Almost surely, 2^{221303222113131} is an apocalyptic number.

221303222113131 is a deficient number, since it is larger than the sum of its proper divisors (98402529826989).

221303222113131 is a wasteful number, since it uses less digits than its factorization.

221303222113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503247786 (or 3503247783 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 221303222113131 its reverse (131311222303122), we get a palindrome (352614444416253).

The spelling of 221303222113131 in words is "two hundred twenty-one trillion, three hundred three billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred thirty-one".