221042134041 has 32 divisors (see below), whose sum is σ = 326159550720. Its totient is φ = 132446121984.

The previous prime is 221042134021. The next prime is 221042134097. The reversal of 221042134041 is 140431240122.

221042134041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221042134041 - 2¹⁷ = 221042002969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221042134021) 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 31 ways as a sum of consecutive naturals, for example, 565345 + ... + 872753.

It is an arithmetic number, because the mean of its divisors is an integer number (10192485960).

Almost surely, 2^221042134041 is an apocalyptic number.

It is an amenable number.

221042134041 is a deficient number, since it is larger than the sum of its proper divisors (105117416679).

221042134041 is a wasteful number, since it uses less digits than its factorization.

221042134041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308065.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 221042134041 its reverse (140431240122), we get a palindrome (361473374163).

The spelling of 221042134041 in words is "two hundred twenty-one billion, forty-two million, one hundred thirty-four thousand, forty-one".