120311105280201 has 24 divisors (see below), whose sum is σ = 189666802967616. Its totient is φ = 72882872391840.

The previous prime is 120311105280173. The next prime is 120311105280227. The reversal of 120311105280201 is 102082501113021.

120311105280201 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 1 + 110 + 528 + 0 + 20 + 1 = 666.

It is not a de Polignac number, because 120311105280201 - 2³⁰ = 120310031538377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120311105280271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274354725 + ... + 274792898.

It is an arithmetic number, because the mean of its divisors is an integer number (7902783456984).

Almost surely, 2^{120311105280201} is an apocalyptic number.

120311105280201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120311105280201 is a deficient number, since it is larger than the sum of its proper divisors (69355697687415).

120311105280201 is a wasteful number, since it uses less digits than its factorization.

120311105280201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549149853 (or 549149850 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

Adding to 120311105280201 its reverse (102082501113021), we get a palindrome (222393606393222).

The spelling of 120311105280201 in words is "one hundred twenty trillion, three hundred eleven billion, one hundred five million, two hundred eighty thousand, two hundred one".