221125145134324 has 48 divisors (see below), whose sum is σ = 393912244051200. Its totient is φ = 108582468857856.

The previous prime is 221125145134307. The next prime is 221125145134331. The reversal of 221125145134324 is 423431541521122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3550868052 + ... + 3550930324.

It is an arithmetic number, because the mean of its divisors is an integer number (8206505084400).

Almost surely, 2^{221125145134324} is an apocalyptic number.

It is an amenable number.

221125145134324 is a deficient number, since it is larger than the sum of its proper divisors (172787098916876).

221125145134324 is a wasteful number, since it uses less digits than its factorization.

221125145134324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76792 (or 76790 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

Adding to 221125145134324 its reverse (423431541521122), we get a palindrome (644556686655446).

The spelling of 221125145134324 in words is "two hundred twenty-one trillion, one hundred twenty-five billion, one hundred forty-five million, one hundred thirty-four thousand, three hundred twenty-four".