120103311989 has 2 divisors, whose sum is σ = 120103311990. Its totient is φ = 120103311988.

The previous prime is 120103311973. The next prime is 120103312009. The reversal of 120103311989 is 989113301021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108392392900 + 11710919089 = 329230^2 + 108217^2 .

It is an emirp because it is prime and its reverse (989113301021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120103311989 - 2⁴ = 120103311973 is a prime.

It is a super-2 number, since 2×120103311989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120103311949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051655994 + 60051655995.

It is an arithmetic number, because the mean of its divisors is an integer number (60051655995).

Almost surely, 2^120103311989 is an apocalyptic number.

It is an amenable number.

120103311989 is a deficient number, since it is larger than the sum of its proper divisors (1).

120103311989 is an equidigital number, since it uses as much as digits as its factorization.

120103311989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 120103311989 in words is "one hundred twenty billion, one hundred three million, three hundred eleven thousand, nine hundred eighty-nine".