121100111201227 has 2 divisors, whose sum is σ = 121100111201228. Its totient is φ = 121100111201226.

The previous prime is 121100111201219. The next prime is 121100111201231. The reversal of 121100111201227 is 722102111001121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121100111201227 - 2³ = 121100111201219 is a prime.

It is a super-2 number, since 2×121100111201227² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121100111201198 and 121100111201207.

It is not a weakly prime, because it can be changed into another prime (121100111201287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550055600613 + 60550055600614.

It is an arithmetic number, because the mean of its divisors is an integer number (60550055600614).

Almost surely, 2^{121100111201227} is an apocalyptic number.

121100111201227 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100111201227 is an equidigital number, since it uses as much as digits as its factorization.

121100111201227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 121100111201227 its reverse (722102111001121), we get a palindrome (843202222202348).

The spelling of 121100111201227 in words is "one hundred twenty-one trillion, one hundred billion, one hundred eleven million, two hundred one thousand, two hundred twenty-seven".