11121111012203 has 2 divisors, whose sum is σ = 11121111012204. Its totient is φ = 11121111012202.

The previous prime is 11121111012191. The next prime is 11121111012211. The reversal of 11121111012203 is 30221011112111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11121111012203 - 2¹² = 11121111008107 is a prime.

It is a super-2 number, since 2×11121111012203² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11121111012103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560555506101 + 5560555506102.

It is an arithmetic number, because the mean of its divisors is an integer number (5560555506102).

Almost surely, 2^{11121111012203} is an apocalyptic number.

11121111012203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121111012203 is an equidigital number, since it uses as much as digits as its factorization.

11121111012203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11121111012203 its reverse (30221011112111), we get a palindrome (41342122124314).

The spelling of 11121111012203 in words is "eleven trillion, one hundred twenty-one billion, one hundred eleven million, twelve thousand, two hundred three".