11500122203 has 2 divisors, whose sum is σ = 11500122204. Its totient is φ = 11500122202.

The previous prime is 11500122167. The next prime is 11500122253. The reversal of 11500122203 is 30222100511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11500122203 - 2¹² = 11500118107 is a prime.

It is not a weakly prime, because it can be changed into another prime (11500122253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5750061101 + 5750061102.

It is an arithmetic number, because the mean of its divisors is an integer number (5750061102).

Almost surely, 2^11500122203 is an apocalyptic number.

11500122203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11500122203 is an equidigital number, since it uses as much as digits as its factorization.

11500122203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 11500122203 its reverse (30222100511), we get a palindrome (41722222714).

The spelling of 11500122203 in words is "eleven billion, five hundred million, one hundred twenty-two thousand, two hundred three".