204441010031221 has 16 divisors (see below), whose sum is σ = 205809733440000. Its totient is φ = 203074471641600.

The previous prime is 204441010031201. The next prime is 204441010031309. The reversal of 204441010031221 is 122130010144402.

It is a cyclic number.

It is not a de Polignac number, because 204441010031221 - 2¹⁹ = 204441009506933 is a prime.

It is a super-2 number, since 2×204441010031221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204441010031201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2208908896 + ... + 2209001446.

It is an arithmetic number, because the mean of its divisors is an integer number (12863108340000).

Almost surely, 2^{204441010031221} is an apocalyptic number.

It is an amenable number.

204441010031221 is a deficient number, since it is larger than the sum of its proper divisors (1368723408779).

204441010031221 is a wasteful number, since it uses less digits than its factorization.

204441010031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104196.

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

Adding to 204441010031221 its reverse (122130010144402), we get a palindrome (326571020175623).

The spelling of 204441010031221 in words is "two hundred four trillion, four hundred forty-one billion, ten million, thirty-one thousand, two hundred twenty-one".