111311400441121 has 32 divisors (see below), whose sum is σ = 127275883096320. Its totient is φ = 96686032435200.

The previous prime is 111311400441119. The next prime is 111311400441251. The reversal of 111311400441121 is 121144004113111.

It is a cyclic number.

It is not a de Polignac number, because 111311400441121 - 2¹ = 111311400441119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111311400441721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2757756 + ... + 15173266.

It is an arithmetic number, because the mean of its divisors is an integer number (3977371346760).

Almost surely, 2^{111311400441121} is an apocalyptic number.

It is an amenable number.

111311400441121 is a deficient number, since it is larger than the sum of its proper divisors (15964482655199).

111311400441121 is a wasteful number, since it uses less digits than its factorization.

111311400441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12416265.

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 111311400441121 its reverse (121144004113111), we get a palindrome (232455404554232).

The spelling of 111311400441121 in words is "one hundred eleven trillion, three hundred eleven billion, four hundred million, four hundred forty-one thousand, one hundred twenty-one".