11202020010281 has 2 divisors, whose sum is σ = 11202020010282. Its totient is φ = 11202020010280.

The previous prime is 11202020010257. The next prime is 11202020010331. The reversal of 11202020010281 is 18201002020211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10785582107881 + 416437902400 = 3284141^2 + 645320^2 .

It is an emirp because it is prime and its reverse (18201002020211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11202020010281 is a prime.

It is a super-2 number, since 2×11202020010281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11202020010221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601010005140 + 5601010005141.

It is an arithmetic number, because the mean of its divisors is an integer number (5601010005141).

Almost surely, 2^{11202020010281} is an apocalyptic number.

It is an amenable number.

11202020010281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202020010281 is an equidigital number, since it uses as much as digits as its factorization.

11202020010281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11202020010281 its reverse (18201002020211), we get a palindrome (29403022030492).

The spelling of 11202020010281 in words is "eleven trillion, two hundred two billion, twenty million, ten thousand, two hundred eighty-one".