120021120103 has 2 divisors, whose sum is σ = 120021120104. Its totient is φ = 120021120102.

The previous prime is 120021120073. The next prime is 120021120137. The reversal of 120021120103 is 301021120021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120021120103 - 2⁵ = 120021120071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120021120143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010560051 + 60010560052.

It is an arithmetic number, because the mean of its divisors is an integer number (60010560052).

Almost surely, 2^120021120103 is an apocalyptic number.

120021120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021120103 is an equidigital number, since it uses as much as digits as its factorization.

120021120103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120021120103 its reverse (301021120021), we get a palindrome (421042240124).

The spelling of 120021120103 in words is "one hundred twenty billion, twenty-one million, one hundred twenty thousand, one hundred three".