120321001131 has 16 divisors (see below), whose sum is σ = 169819541760. Its totient is φ = 75646882080.

The previous prime is 120321001103. The next prime is 120321001139. The reversal of 120321001131 is 131100123021.

It is a happy number.

It is not a de Polignac number, because 120321001131 - 2⁶ = 120321001067 is a prime.

It is a super-2 number, since 2×120321001131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120321001131.

It is not an unprimeable number, because it can be changed into a prime (120321001139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16077655 + ... + 16085136.

It is an arithmetic number, because the mean of its divisors is an integer number (10613721360).

Almost surely, 2^120321001131 is an apocalyptic number.

120321001131 is a deficient number, since it is larger than the sum of its proper divisors (49498540629).

120321001131 is a wasteful number, since it uses less digits than its factorization.

120321001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32162866.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 120321001131 its reverse (131100123021), we get a palindrome (251421124152).

The spelling of 120321001131 in words is "one hundred twenty billion, three hundred twenty-one million, one thousand, one hundred thirty-one".