1112112123011 has 4 divisors (see below), whose sum is σ = 1112289697872. Its totient is φ = 1111934548152.

The previous prime is 1112112122987. The next prime is 1112112123037. The reversal of 1112112123011 is 1103212112111.

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

It is a cyclic number.

It is not a de Polignac number, because 1112112123011 - 2³⁴ = 1094932253827 is a prime.

It is a super-2 number, since 2×1112112123011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112112123041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88778036 + ... + 88790561.

It is an arithmetic number, because the mean of its divisors is an integer number (278072424468).

Almost surely, 2^{1112112123011} is an apocalyptic number.

1112112123011 is a deficient number, since it is larger than the sum of its proper divisors (177574861).

1112112123011 is an equidigital number, since it uses as much as digits as its factorization.

1112112123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177574860.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1112112123011 its reverse (1103212112111), we get a palindrome (2215324235122).

The spelling of 1112112123011 in words is "one trillion, one hundred twelve billion, one hundred twelve million, one hundred twenty-three thousand, eleven".