4441012031021 has 2 divisors, whose sum is σ = 4441012031022. Its totient is φ = 4441012031020.

The previous prime is 4441012031009. The next prime is 4441012031039. The reversal of 4441012031021 is 1201302101444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3946535854921 + 494476176100 = 1986589^2 + 703190^2 .

It is a cyclic number.

It is not a de Polignac number, because 4441012031021 - 2¹⁸ = 4441011768877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4441012031081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220506015510 + 2220506015511.

It is an arithmetic number, because the mean of its divisors is an integer number (2220506015511).

Almost surely, 2^{4441012031021} is an apocalyptic number.

It is an amenable number.

4441012031021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4441012031021 is an equidigital number, since it uses as much as digits as its factorization.

4441012031021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 4441012031021 its reverse (1201302101444), we get a palindrome (5642314132465).

The spelling of 4441012031021 in words is "four trillion, four hundred forty-one billion, twelve million, thirty-one thousand, twenty-one".