211020021012301 has 2 divisors, whose sum is σ = 211020021012302. Its totient is φ = 211020021012300.

The previous prime is 211020021012193. The next prime is 211020021012407. The reversal of 211020021012301 is 103210120020112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203398197627076 + 7621823385225 = 14261774^2 + 2760765^2 .

It is a cyclic number.

It is not a de Polignac number, because 211020021012301 - 2¹⁵ = 211020020979533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211020021082301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105510010506150 + 105510010506151.

It is an arithmetic number, because the mean of its divisors is an integer number (105510010506151).

Almost surely, 2^{211020021012301} is an apocalyptic number.

It is an amenable number.

211020021012301 is a deficient number, since it is larger than the sum of its proper divisors (1).

211020021012301 is an equidigital number, since it uses as much as digits as its factorization.

211020021012301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211020021012301 its reverse (103210120020112), we get a palindrome (314230141032413).

The spelling of 211020021012301 in words is "two hundred eleven trillion, twenty billion, twenty-one million, twelve thousand, three hundred one".