918120601011121 has 8 divisors (see below), whose sum is σ = 967700308159080. Its totient is φ = 869735585601792.

The previous prime is 918120601011101. The next prime is 918120601011143. The reversal of 918120601011121 is 121110106021819.

It can be written as a sum of positive squares in 4 ways, for example, as 208006775553600 + 710113825457521 = 14422440^2 + 26647961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 918120601011121 - 2⁷ = 918120601010993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (918120601011101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298672933080 + ... + 298672936153.

It is an arithmetic number, because the mean of its divisors is an integer number (120962538519885).

Almost surely, 2^{918120601011121} is an apocalyptic number.

It is an amenable number.

918120601011121 is a deficient number, since it is larger than the sum of its proper divisors (49579707147959).

918120601011121 is a wasteful number, since it uses less digits than its factorization.

918120601011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597345869315.

The product of its (nonzero) digits is 1728, while the sum is 34.

The spelling of 918120601011121 in words is "nine hundred eighteen trillion, one hundred twenty billion, six hundred one million, eleven thousand, one hundred twenty-one".