2021120201329 has 2 divisors, whose sum is σ = 2021120201330. Its totient is φ = 2021120201328.

The previous prime is 2021120201291. The next prime is 2021120201377. The reversal of 2021120201329 is 9231020211202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1626767600704 + 394352600625 = 1275448^2 + 627975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021120201329 - 2¹⁷ = 2021120070257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021120201929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010560100664 + 1010560100665.

It is an arithmetic number, because the mean of its divisors is an integer number (1010560100665).

Almost surely, 2^{2021120201329} is an apocalyptic number.

It is an amenable number.

2021120201329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021120201329 is an equidigital number, since it uses as much as digits as its factorization.

2021120201329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 2021120201329 in words is "two trillion, twenty-one billion, one hundred twenty million, two hundred one thousand, three hundred twenty-nine".