111401201321 has 16 divisors (see below), whose sum is σ = 113339885904. Its totient is φ = 109480771584.

The previous prime is 111401201239. The next prime is 111401201341. The reversal of 111401201321 is 123102104111.

It can be written as a sum of positive squares in 8 ways, for example, as 2346046096 + 109055155225 = 48436^2 + 330235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111401201321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111401201321.

It is not an unprimeable number, because it can be changed into a prime (111401201341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10796861 + ... + 10807173.

It is an arithmetic number, because the mean of its divisors is an integer number (7083742869).

Almost surely, 2^111401201321 is an apocalyptic number.

It is an amenable number.

111401201321 is a deficient number, since it is larger than the sum of its proper divisors (1938684583).

111401201321 is a wasteful number, since it uses less digits than its factorization.

111401201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11180.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111401201321 its reverse (123102104111), we get a palindrome (234503305432).

The spelling of 111401201321 in words is "one hundred eleven billion, four hundred one million, two hundred one thousand, three hundred twenty-one".