120021012227 has 2 divisors, whose sum is σ = 120021012228. Its totient is φ = 120021012226.

The previous prime is 120021012149. The next prime is 120021012247. The reversal of 120021012227 is 722210120021.

It is an a-pointer prime, because the next prime (120021012247) can be obtained adding 120021012227 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120021012227 - 2¹² = 120021008131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120021012199 and 120021012208.

It is not a weakly prime, because it can be changed into another prime (120021012247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010506113 + 60010506114.

It is an arithmetic number, because the mean of its divisors is an integer number (60010506114).

Almost surely, 2^120021012227 is an apocalyptic number.

120021012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021012227 is an equidigital number, since it uses as much as digits as its factorization.

120021012227 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 120021012227 its reverse (722210120021), we get a palindrome (842231132248).

The spelling of 120021012227 in words is "one hundred twenty billion, twenty-one million, twelve thousand, two hundred twenty-seven".