111412123133 has 4 divisors (see below), whose sum is σ = 112560701820. Its totient is φ = 110263544448.

The previous prime is 111412123093. The next prime is 111412123153. The reversal of 111412123133 is 331321214111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331321214111 = 17 ⋅19489483183.

It can be written as a sum of positive squares in 2 ways, for example, as 88058782009 + 23353341124 = 296747^2 + 152818^2 .

It is a cyclic number.

It is not a de Polignac number, because 111412123133 - 2¹⁴ = 111412106749 is a prime.

It is a super-2 number, since 2×111412123133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111412123099 and 111412123108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111412123153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574289198 + ... + 574289391.

It is an arithmetic number, because the mean of its divisors is an integer number (28140175455).

Almost surely, 2^111412123133 is an apocalyptic number.

It is an amenable number.

111412123133 is a deficient number, since it is larger than the sum of its proper divisors (1148578687).

111412123133 is an equidigital number, since it uses as much as digits as its factorization.

111412123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148578686.

The product of its digits is 432, while the sum is 23.

Adding to 111412123133 its reverse (331321214111), we get a palindrome (442733337244).

The spelling of 111412123133 in words is "one hundred eleven billion, four hundred twelve million, one hundred twenty-three thousand, one hundred thirty-three".