11202355121 has 2 divisors, whose sum is σ = 11202355122. Its totient is φ = 11202355120.

The previous prime is 11202355111. The next prime is 11202355169. The reversal of 11202355121 is 12155320211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8333681521 + 2868673600 = 91289^2 + 53560^2 .

It is an emirp because it is prime and its reverse (12155320211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11202355121 - 2¹⁸ = 11202092977 is a prime.

It is not a weakly prime, because it can be changed into another prime (11202355111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601177560 + 5601177561.

It is an arithmetic number, because the mean of its divisors is an integer number (5601177561).

Almost surely, 2^11202355121 is an apocalyptic number.

It is an amenable number.

11202355121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202355121 is an equidigital number, since it uses as much as digits as its factorization.

11202355121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11202355121 its reverse (12155320211), we get a palindrome (23357675332).

The spelling of 11202355121 in words is "eleven billion, two hundred two million, three hundred fifty-five thousand, one hundred twenty-one".