221302221130 has 16 divisors (see below), whose sum is σ = 399268237824. Its totient is φ = 88315501840.

The previous prime is 221302221113. The next prime is 221302221139. The reversal of 221302221130 is 31122203122.

221302221130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221302221098 and 221302221107.

It is not an unprimeable number, because it can be changed into a prime (221302221139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25668802 + ... + 25677421.

It is an arithmetic number, because the mean of its divisors is an integer number (24954264864).

Almost surely, 2^221302221130 is an apocalyptic number.

221302221130 is a deficient number, since it is larger than the sum of its proper divisors (177966016694).

221302221130 is a wasteful number, since it uses less digits than its factorization.

221302221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51346661.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221302221130 its reverse (31122203122), we get a palindrome (252424424252).

The spelling of 221302221130 in words is "two hundred twenty-one billion, three hundred two million, two hundred twenty-one thousand, one hundred thirty".