2021013302101 has 2 divisors, whose sum is σ = 2021013302102. Its totient is φ = 2021013302100.

The previous prime is 2021013302051. The next prime is 2021013302111. The reversal of 2021013302101 is 1012033101202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1604594759076 + 416418543025 = 1266726^2 + 645305^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021013302101 - 2¹⁵ = 2021013269333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021013302111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010506651050 + 1010506651051.

It is an arithmetic number, because the mean of its divisors is an integer number (1010506651051).

Almost surely, 2^{2021013302101} is an apocalyptic number.

It is an amenable number.

2021013302101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021013302101 is an equidigital number, since it uses as much as digits as its factorization.

2021013302101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2021013302101 its reverse (1012033101202), we get a palindrome (3033046403303).

The spelling of 2021013302101 in words is "two trillion, twenty-one billion, thirteen million, three hundred two thousand, one hundred one".