2021044104401 has 6 divisors (see below), whose sum is σ = 2351010488850. Its totient is φ = 1732323518016.

The previous prime is 2021044104311. The next prime is 2021044104419. The reversal of 2021044104401 is 1044014401202.

It can be written as a sum of positive squares in only one way, i.e., 1299597720001 + 721446384400 = 1139999^2 + 849380^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2021044104401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021044104301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20622898976 + ... + 20622899073.

It is an arithmetic number, because the mean of its divisors is an integer number (391835081475).

Almost surely, 2^{2021044104401} is an apocalyptic number.

It is an amenable number.

2021044104401 is a deficient number, since it is larger than the sum of its proper divisors (329966384449).

2021044104401 is an equidigital number, since it uses as much as digits as its factorization.

2021044104401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41245798063 (or 41245798056 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 2021044104401 its reverse (1044014401202), we get a palindrome (3065058505603).

The spelling of 2021044104401 in words is "two trillion, twenty-one billion, forty-four million, one hundred four thousand, four hundred one".