111212000311023 has 6 divisors (see below), whose sum is σ = 160639556004824. Its totient is φ = 74141333540676.

The previous prime is 111212000310991. The next prime is 111212000311033. The reversal of 111212000311023 is 320113000212111.

111212000311023 is a `hidden beast` number, since 11 + 121 + 200 + 0 + 311 + 0 + 23 = 666.

It is not a de Polignac number, because 111212000311023 - 2⁵ = 111212000310991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111212000310987 and 111212000311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212000311033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6178444461715 + ... + 6178444461732.

Almost surely, 2^{111212000311023} is an apocalyptic number.

111212000311023 is a deficient number, since it is larger than the sum of its proper divisors (49427555693801).

111212000311023 is a wasteful number, since it uses less digits than its factorization.

111212000311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12356888923453 (or 12356888923450 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111212000311023 its reverse (320113000212111), we get a palindrome (431325000523134).

The spelling of 111212000311023 in words is "one hundred eleven trillion, two hundred twelve billion, three hundred eleven thousand, twenty-three".