120121221110027 has 2 divisors, whose sum is σ = 120121221110028. Its totient is φ = 120121221110026.

The previous prime is 120121221109987. The next prime is 120121221110081. The reversal of 120121221110027 is 720011122121021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120121221110027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120121221109984 and 120121221110011.

It is not a weakly prime, because it can be changed into another prime (120121221119027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060610555013 + 60060610555014.

It is an arithmetic number, because the mean of its divisors is an integer number (60060610555014).

Almost surely, 2^{120121221110027} is an apocalyptic number.

120121221110027 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121221110027 is an equidigital number, since it uses as much as digits as its factorization.

120121221110027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 120121221110027 its reverse (720011122121021), we get a palindrome (840132343231048).

The spelling of 120121221110027 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred ten thousand, twenty-seven".