221442031131041 has 32 divisors (see below), whose sum is σ = 268099026543360. Its totient is φ = 178668385099776.

The previous prime is 221442031131019. The next prime is 221442031131053. The reversal of 221442031131041 is 140131130244122.

It is a cyclic number.

It is not a de Polignac number, because 221442031131041 - 2¹⁰ = 221442031130017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221442031130995 and 221442031131013.

It is not an unprimeable number, because it can be changed into a prime (221442031131011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1336990265 + ... + 1337155881.

It is an arithmetic number, because the mean of its divisors is an integer number (8378094579480).

Almost surely, 2^{221442031131041} is an apocalyptic number.

It is an amenable number.

221442031131041 is a deficient number, since it is larger than the sum of its proper divisors (46656995412319).

221442031131041 is a wasteful number, since it uses less digits than its factorization.

221442031131041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229833.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 221442031131041 its reverse (140131130244122), we get a palindrome (361573161375163).

The spelling of 221442031131041 in words is "two hundred twenty-one trillion, four hundred forty-two billion, thirty-one million, one hundred thirty-one thousand, forty-one".