11301361021 has 2 divisors, whose sum is σ = 11301361022. Its totient is φ = 11301361020.

The previous prime is 11301361009. The next prime is 11301361051. The reversal of 11301361021 is 12016310311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9733992921 + 1567368100 = 98661^2 + 39590^2 .

It is a cyclic number.

It is not a de Polignac number, because 11301361021 - 2¹⁷ = 11301229949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11301361021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11301361051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5650680510 + 5650680511.

It is an arithmetic number, because the mean of its divisors is an integer number (5650680511).

Almost surely, 2^11301361021 is an apocalyptic number.

It is an amenable number.

11301361021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11301361021 is an equidigital number, since it uses as much as digits as its factorization.

11301361021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11301361021 its reverse (12016310311), we get a palindrome (23317671332).

The spelling of 11301361021 in words is "eleven billion, three hundred one million, three hundred sixty-one thousand, twenty-one".