121102020227 has 2 divisors, whose sum is σ = 121102020228. Its totient is φ = 121102020226.

The previous prime is 121102020217. The next prime is 121102020229. The reversal of 121102020227 is 722020201121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121102020227 - 2⁸ = 121102019971 is a prime.

Together with 121102020229, 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 = 121102020199 and 121102020208.

It is not a weakly prime, because it can be changed into another prime (121102020229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551010113 + 60551010114.

It is an arithmetic number, because the mean of its divisors is an integer number (60551010114).

Almost surely, 2^121102020227 is an apocalyptic number.

121102020227 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102020227 is an equidigital number, since it uses as much as digits as its factorization.

121102020227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 121102020227 its reverse (722020201121), we get a palindrome (843122221348).

The spelling of 121102020227 in words is "one hundred twenty-one billion, one hundred two million, twenty thousand, two hundred twenty-seven".