2021001100133 has 2 divisors, whose sum is σ = 2021001100134. Its totient is φ = 2021001100132.

The previous prime is 2021001100057. The next prime is 2021001100189. The reversal of 2021001100133 is 3310011001202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849553760289 + 171447339844 = 1359983^2 + 414062^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021001100133 - 2¹⁶ = 2021001034597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021001000133) 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, 1010500550066 + 1010500550067.

It is an arithmetic number, because the mean of its divisors is an integer number (1010500550067).

Almost surely, 2^{2021001100133} is an apocalyptic number.

It is an amenable number.

2021001100133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021001100133 is an equidigital number, since it uses as much as digits as its factorization.

2021001100133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 2021001100133 its reverse (3310011001202), we get a palindrome (5331012101335).

The spelling of 2021001100133 in words is "two trillion, twenty-one billion, one million, one hundred thousand, one hundred thirty-three".