240102111321 has 12 divisors (see below), whose sum is σ = 358773270180. Its totient is φ = 154548485280.

The previous prime is 240102111311. The next prime is 240102111377. The reversal of 240102111321 is 123111201042.

240102111321 is a `hidden beast` number, since 240 + 102 + 1 + 1 + 1 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85228379721 + 154873731600 = 291939^2 + 393540^2 .

It is not a de Polignac number, because 240102111321 - 2¹⁸ = 240101849177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240102111294 and 240102111303.

It is not an unprimeable number, because it can be changed into a prime (240102111311) 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 11 ways as a sum of consecutive naturals, for example, 459965470 + ... + 459965991.

It is an arithmetic number, because the mean of its divisors is an integer number (29897772515).

Almost surely, 2^240102111321 is an apocalyptic number.

It is an amenable number.

240102111321 is a deficient number, since it is larger than the sum of its proper divisors (118671158859).

240102111321 is a wasteful number, since it uses less digits than its factorization.

240102111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919931496 (or 919931493 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 240102111321 its reverse (123111201042), we get a palindrome (363213312363).

The spelling of 240102111321 in words is "two hundred forty billion, one hundred two million, one hundred eleven thousand, three hundred twenty-one".