11212233031187 has 2 divisors, whose sum is σ = 11212233031188. Its totient is φ = 11212233031186.

The previous prime is 11212233031169. The next prime is 11212233031201. The reversal of 11212233031187 is 78113033221211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11212233031187 - 2²⁶ = 11212165922323 is a prime.

It is a super-2 number, since 2×11212233031187² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11212233031127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606116515593 + 5606116515594.

It is an arithmetic number, because the mean of its divisors is an integer number (5606116515594).

Almost surely, 2^{11212233031187} is an apocalyptic number.

11212233031187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212233031187 is an equidigital number, since it uses as much as digits as its factorization.

11212233031187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

Adding to 11212233031187 its reverse (78113033221211), we get a palindrome (89325266252398).

The spelling of 11212233031187 in words is "eleven trillion, two hundred twelve billion, two hundred thirty-three million, thirty-one thousand, one hundred eighty-seven".