111144004101231 has 8 divisors (see below), whose sum is σ = 148198840033920. Its totient is φ = 74092585451352.

The previous prime is 111144004101217. The next prime is 111144004101241. The reversal of 111144004101231 is 132101400441111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111144004101231 - 2¹³ = 111144004093039 is a prime.

It is a super-2 number, since 2×111144004101231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111144004101241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854244811 + ... + 854374908.

It is an arithmetic number, because the mean of its divisors is an integer number (18524855004240).

Almost surely, 2^{111144004101231} is an apocalyptic number.

111144004101231 is a deficient number, since it is larger than the sum of its proper divisors (37054835932689).

111144004101231 is a wasteful number, since it uses less digits than its factorization.

111144004101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708641405.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 111144004101231 its reverse (132101400441111), we get a palindrome (243245404542342).

The spelling of 111144004101231 in words is "one hundred eleven trillion, one hundred forty-four billion, four million, one hundred one thousand, two hundred thirty-one".