121030020227 has 2 divisors, whose sum is σ = 121030020228. Its totient is φ = 121030020226.

The previous prime is 121030020179. The next prime is 121030020247. The reversal of 121030020227 is 722020030121.

It is an a-pointer prime, because the next prime (121030020247) can be obtained adding 121030020227 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121030020227 - 2¹⁰ = 121030019203 is a prime.

It is a super-2 number, since 2×121030020227² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121030020199 and 121030020208.

It is not a weakly prime, because it can be changed into another prime (121030020247) 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, 60515010113 + 60515010114.

It is an arithmetic number, because the mean of its divisors is an integer number (60515010114).

Almost surely, 2^121030020227 is an apocalyptic number.

121030020227 is a deficient number, since it is larger than the sum of its proper divisors (1).

121030020227 is an equidigital number, since it uses as much as digits as its factorization.

121030020227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 121030020227 its reverse (722020030121), we get a palindrome (843050050348).

The spelling of 121030020227 in words is "one hundred twenty-one billion, thirty million, twenty thousand, two hundred twenty-seven".