111234040401321 has 40 divisors (see below), whose sum is σ = 166786536669984. Its totient is φ = 73878907576320.

The previous prime is 111234040401311. The next prime is 111234040401409. The reversal of 111234040401321 is 123104040432111.

It is a happy number.

111234040401321 is a `hidden beast` number, since 1 + 1 + 1 + 234 + 0 + 4 + 0 + 401 + 3 + 21 = 666.

It is not a de Polignac number, because 111234040401321 - 2⁴³ = 102437947379113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (111234040401311) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20963241 + ... + 25727913.

Almost surely, 2^{111234040401321} is an apocalyptic number.

It is an amenable number.

111234040401321 is a deficient number, since it is larger than the sum of its proper divisors (55552496268663).

111234040401321 is an equidigital number, since it uses as much as digits as its factorization.

111234040401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765763 (or 4765754 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 111234040401321 its reverse (123104040432111), we get a palindrome (234338080833432).

The spelling of 111234040401321 in words is "one hundred eleven trillion, two hundred thirty-four billion, forty million, four hundred one thousand, three hundred twenty-one".