120120551113 has 4 divisors (see below), whose sum is σ = 120121318548. Its totient is φ = 120119783680.

The previous prime is 120120551081. The next prime is 120120551147. The reversal of 120120551113 is 311155021021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 19902719929 + 100217831184 = 141077^2 + 316572^2 .

It is a cyclic number.

It is not a de Polignac number, because 120120551113 - 2⁵ = 120120551081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120120557113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55156 + ... + 493237.

It is an arithmetic number, because the mean of its divisors is an integer number (30030329637).

Almost surely, 2^120120551113 is an apocalyptic number.

It is an amenable number.

120120551113 is a deficient number, since it is larger than the sum of its proper divisors (767435).

120120551113 is an equidigital number, since it uses as much as digits as its factorization.

120120551113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767434.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 120120551113 its reverse (311155021021), we get a palindrome (431275572134).

The spelling of 120120551113 in words is "one hundred twenty billion, one hundred twenty million, five hundred fifty-one thousand, one hundred thirteen".