2021026631201 has 2 divisors, whose sum is σ = 2021026631202. Its totient is φ = 2021026631200.

The previous prime is 2021026631189. The next prime is 2021026631219. The reversal of 2021026631201 is 1021366201202.

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., 1689417650176 + 331608981025 = 1299776^2 + 575855^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021026631201 - 2³⁴ = 2003846762017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021026631501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010513315600 + 1010513315601.

It is an arithmetic number, because the mean of its divisors is an integer number (1010513315601).

Almost surely, 2^{2021026631201} is an apocalyptic number.

It is an amenable number.

2021026631201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021026631201 is an equidigital number, since it uses as much as digits as its factorization.

2021026631201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 2021026631201 in words is "two trillion, twenty-one billion, twenty-six million, six hundred thirty-one thousand, two hundred one".