1112202122123 has 4 divisors (see below), whose sum is σ = 1123668123480. Its totient is φ = 1100736120768.

The previous prime is 1112202122113. The next prime is 1112202122137. The reversal of 1112202122123 is 3212212022111.

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 1112202122123 - 2¹⁶ = 1112202056587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112202122095 and 1112202122104.

It is not an unprimeable number, because it can be changed into a prime (1112202122113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5733000533 + ... + 5733000726.

It is an arithmetic number, because the mean of its divisors is an integer number (280917030870).

Almost surely, 2^{1112202122123} is an apocalyptic number.

1112202122123 is a deficient number, since it is larger than the sum of its proper divisors (11466001357).

1112202122123 is an equidigital number, since it uses as much as digits as its factorization.

1112202122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11466001356.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1112202122123 its reverse (3212212022111), we get a palindrome (4324414144234).

The spelling of 1112202122123 in words is "one trillion, one hundred twelve billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-three".