111410333124121 has 4 divisors (see below), whose sum is σ = 111410372261812. Its totient is φ = 111410293986432.

The previous prime is 111410333124113. The next prime is 111410333124131. The reversal of 111410333124121 is 121421333014111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83634481845721 + 27775851278400 = 9145189^2 + 5270280^2 .

It is a cyclic number.

It is not a de Polignac number, because 111410333124121 - 2³ = 111410333124113 is a prime.

It is a super-2 number, since 2×111410333124121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111410333124121.

It is not an unprimeable number, because it can be changed into a prime (111410333124131) 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 3 ways as a sum of consecutive naturals, for example, 14932800 + ... + 21114193.

It is an arithmetic number, because the mean of its divisors is an integer number (27852593065453).

Almost surely, 2^{111410333124121} is an apocalyptic number.

It is an amenable number.

111410333124121 is a deficient number, since it is larger than the sum of its proper divisors (39137691).

111410333124121 is an equidigital number, since it uses as much as digits as its factorization.

111410333124121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39137690.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 111410333124121 its reverse (121421333014111), we get a palindrome (232831666138232).

The spelling of 111410333124121 in words is "one hundred eleven trillion, four hundred ten billion, three hundred thirty-three million, one hundred twenty-four thousand, one hundred twenty-one".