2021010012041 has 2 divisors, whose sum is σ = 2021010012042. Its totient is φ = 2021010012040.

The previous prime is 2021010012023. The next prime is 2021010012089. The reversal of 2021010012041 is 1402100101202.

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., 1845851021641 + 175158990400 = 1358621^2 + 418520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021010012041 is a prime.

It is a super-3 number, since 3×2021010012041³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2021010012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010505006020 + 1010505006021.

It is an arithmetic number, because the mean of its divisors is an integer number (1010505006021).

Almost surely, 2^{2021010012041} is an apocalyptic number.

It is an amenable number.

2021010012041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021010012041 is an equidigital number, since it uses as much as digits as its factorization.

2021010012041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021010012041 its reverse (1402100101202), we get a palindrome (3423110113243).

The spelling of 2021010012041 in words is "two trillion, twenty-one billion, ten million, twelve thousand, forty-one".