201002221100281 has 2 divisors, whose sum is σ = 201002221100282. Its totient is φ = 201002221100280.

The previous prime is 201002221100279. The next prime is 201002221100297. The reversal of 201002221100281 is 182001122200102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200669436334656 + 332784765625 = 14165784^2 + 576875^2 .

It is a cyclic number.

It is not a de Polignac number, because 201002221100281 - 2¹ = 201002221100279 is a prime.

It is a super-2 number, since 2×201002221100281² (a number of 29 digits) contains 22 as substring.

Together with 201002221100279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201002221100381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501110550140 + 100501110550141.

It is an arithmetic number, because the mean of its divisors is an integer number (100501110550141).

Almost surely, 2^{201002221100281} is an apocalyptic number.

It is an amenable number.

201002221100281 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002221100281 is an equidigital number, since it uses as much as digits as its factorization.

201002221100281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 201002221100281 its reverse (182001122200102), we get a palindrome (383003343300383).

The spelling of 201002221100281 in words is "two hundred one trillion, two billion, two hundred twenty-one million, one hundred thousand, two hundred eighty-one".