221031244001041 has 4 divisors (see below), whose sum is σ = 221103030702400. Its totient is φ = 220959457299684.

The previous prime is 221031244001033. The next prime is 221031244001047. The reversal of 221031244001041 is 140100442130122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221031244001041 - 2³ = 221031244001033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221031244000997 and 221031244001015.

It is not an unprimeable number, because it can be changed into a prime (221031244001047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35893346061 + ... + 35893352218.

It is an arithmetic number, because the mean of its divisors is an integer number (55275757675600).

Almost surely, 2^{221031244001041} is an apocalyptic number.

It is an amenable number.

221031244001041 is a deficient number, since it is larger than the sum of its proper divisors (71786701359).

221031244001041 is an equidigital number, since it uses as much as digits as its factorization.

221031244001041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71786701358.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 221031244001041 its reverse (140100442130122), we get a palindrome (361131686131163).

The spelling of 221031244001041 in words is "two hundred twenty-one trillion, thirty-one billion, two hundred forty-four million, one thousand, forty-one".