121100001012227 has 2 divisors, whose sum is σ = 121100001012228. Its totient is φ = 121100001012226.

The previous prime is 121100001012197. The next prime is 121100001012229. The reversal of 121100001012227 is 722210100001121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (722210100001121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121100001012227 - 2⁶ = 121100001012163 is a prime.

It is a super-2 number, since 2×121100001012227² (a number of 29 digits) contains 22 as substring.

Together with 121100001012229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121100001012199 and 121100001012208.

It is not a weakly prime, because it can be changed into another prime (121100001012229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550000506113 + 60550000506114.

It is an arithmetic number, because the mean of its divisors is an integer number (60550000506114).

Almost surely, 2^{121100001012227} is an apocalyptic number.

121100001012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100001012227 is an equidigital number, since it uses as much as digits as its factorization.

121100001012227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 121100001012227 its reverse (722210100001121), we get a palindrome (843310101013348).

The spelling of 121100001012227 in words is "one hundred twenty-one trillion, one hundred billion, one million, twelve thousand, two hundred twenty-seven".