221130122404 has 24 divisors (see below), whose sum is σ = 404074637568. Its totient is φ = 105686697600.

The previous prime is 221130122401. The next prime is 221130122417. The reversal of 221130122404 is 404221031122.

221130122404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221130122401) 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, 671397 + ... + 945004.

It is an arithmetic number, because the mean of its divisors is an integer number (16836443232).

Almost surely, 2^221130122404 is an apocalyptic number.

It is an amenable number.

221130122404 is a deficient number, since it is larger than the sum of its proper divisors (182944515164).

221130122404 is a wasteful number, since it uses less digits than its factorization.

221130122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617915 (or 1617913 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221130122404 its reverse (404221031122), we get a palindrome (625351153526).

The spelling of 221130122404 in words is "two hundred twenty-one billion, one hundred thirty million, one hundred twenty-two thousand, four hundred four".