2021021112041 has 2 divisors, whose sum is σ = 2021021112042. Its totient is φ = 2021021112040.

The previous prime is 2021021111981. The next prime is 2021021112073. The reversal of 2021021112041 is 1402111201202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1811188406416 + 209832705625 = 1345804^2 + 458075^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021021112041 - 2³⁸ = 1746143205097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021021112641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010510556020 + 1010510556021.

It is an arithmetic number, because the mean of its divisors is an integer number (1010510556021).

Almost surely, 2^{2021021112041} is an apocalyptic number.

It is an amenable number.

2021021112041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021021112041 is an equidigital number, since it uses as much as digits as its factorization.

2021021112041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2021021112041 its reverse (1402111201202), we get a palindrome (3423132313243).

The spelling of 2021021112041 in words is "two trillion, twenty-one billion, twenty-one million, one hundred twelve thousand, forty-one".