120103011121 has 2 divisors, whose sum is σ = 120103011122. Its totient is φ = 120103011120.

The previous prime is 120103011113. The next prime is 120103011137. The reversal of 120103011121 is 121110301021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100926300721 + 19176710400 = 317689^2 + 138480^2 .

It is a cyclic number.

It is not a de Polignac number, because 120103011121 - 2³ = 120103011113 is a prime.

It is not a weakly prime, because it can be changed into another prime (120103012121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051505560 + 60051505561.

It is an arithmetic number, because the mean of its divisors is an integer number (60051505561).

Almost surely, 2^120103011121 is an apocalyptic number.

It is an amenable number.

120103011121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120103011121 is an equidigital number, since it uses as much as digits as its factorization.

120103011121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 120103011121 its reverse (121110301021), we get a palindrome (241213312142).

The spelling of 120103011121 in words is "one hundred twenty billion, one hundred three million, eleven thousand, one hundred twenty-one".