113222112187 has 2 divisors, whose sum is σ = 113222112188. Its totient is φ = 113222112186.

The previous prime is 113222112173. The next prime is 113222112251. The reversal of 113222112187 is 781211222311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113222112187 - 2³⁵ = 78862373819 is a prime.

It is a super-2 number, since 2×113222112187² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113222115187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611056093 + 56611056094.

It is an arithmetic number, because the mean of its divisors is an integer number (56611056094).

Almost surely, 2^113222112187 is an apocalyptic number.

113222112187 is a deficient number, since it is larger than the sum of its proper divisors (1).

113222112187 is an equidigital number, since it uses as much as digits as its factorization.

113222112187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 31.

Adding to 113222112187 its reverse (781211222311), we get a palindrome (894433334498).

The spelling of 113222112187 in words is "one hundred thirteen billion, two hundred twenty-two million, one hundred twelve thousand, one hundred eighty-seven".