111202212011227 has 2 divisors, whose sum is σ = 111202212011228. Its totient is φ = 111202212011226.

The previous prime is 111202212011179. The next prime is 111202212011237. The reversal of 111202212011227 is 722110212202111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111202212011227 - 2²³ = 111202203622619 is a prime.

It is a super-3 number, since 3×111202212011227³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111202212011237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55601106005613 + 55601106005614.

It is an arithmetic number, because the mean of its divisors is an integer number (55601106005614).

Almost surely, 2^{111202212011227} is an apocalyptic number.

111202212011227 is a deficient number, since it is larger than the sum of its proper divisors (1).

111202212011227 is an equidigital number, since it uses as much as digits as its factorization.

111202212011227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 111202212011227 its reverse (722110212202111), we get a palindrome (833312424213338).

The spelling of 111202212011227 in words is "one hundred eleven trillion, two hundred two billion, two hundred twelve million, eleven thousand, two hundred twenty-seven".