10121110101227 has 2 divisors, whose sum is σ = 10121110101228. Its totient is φ = 10121110101226.

The previous prime is 10121110101209. The next prime is 10121110101247. The reversal of 10121110101227 is 72210101112101.

It is a happy number.

It is an a-pointer prime, because the next prime (10121110101247) can be obtained adding 10121110101227 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121110101227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10121110101199 and 10121110101208.

It is not a weakly prime, because it can be changed into another prime (10121110101247) 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, 5060555050613 + 5060555050614.

It is an arithmetic number, because the mean of its divisors is an integer number (5060555050614).

Almost surely, 2^{10121110101227} is an apocalyptic number.

10121110101227 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121110101227 is an equidigital number, since it uses as much as digits as its factorization.

10121110101227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 10121110101227 its reverse (72210101112101), we get a palindrome (82331211213328).

The spelling of 10121110101227 in words is "ten trillion, one hundred twenty-one billion, one hundred ten million, one hundred one thousand, two hundred twenty-seven".