121012011227 has 2 divisors, whose sum is σ = 121012011228. Its totient is φ = 121012011226.

The previous prime is 121012011187. The next prime is 121012011233. The reversal of 121012011227 is 722110210121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121012011227 - 2¹² = 121012007131 is a prime.

It is a super-2 number, since 2×121012011227² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121012011199 and 121012011208.

It is not a weakly prime, because it can be changed into another prime (121012017227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506005613 + 60506005614.

It is an arithmetic number, because the mean of its divisors is an integer number (60506005614).

Almost surely, 2^121012011227 is an apocalyptic number.

121012011227 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012011227 is an equidigital number, since it uses as much as digits as its factorization.

121012011227 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 20.

Adding to 121012011227 its reverse (722110210121), we get a palindrome (843122221348).

The spelling of 121012011227 in words is "one hundred twenty-one billion, twelve million, eleven thousand, two hundred twenty-seven".