2041320244421 has 2 divisors, whose sum is σ = 2041320244422. Its totient is φ = 2041320244420.

The previous prime is 2041320244417. The next prime is 2041320244459. The reversal of 2041320244421 is 1244420231402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1871864521921 + 169455722500 = 1368161^2 + 411650^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041320244421 - 2² = 2041320244417 is a prime.

It is a super-2 number, since 2×2041320244421² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2041320244121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020660122210 + 1020660122211.

It is an arithmetic number, because the mean of its divisors is an integer number (1020660122211).

Almost surely, 2^{2041320244421} is an apocalyptic number.

It is an amenable number.

2041320244421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2041320244421 is an equidigital number, since it uses as much as digits as its factorization.

2041320244421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2041320244421 its reverse (1244420231402), we get a palindrome (3285740475823).

The spelling of 2041320244421 in words is "two trillion, forty-one billion, three hundred twenty million, two hundred forty-four thousand, four hundred twenty-one".