1113321112123 has 16 divisors (see below), whose sum is σ = 1221679579392. Its totient is φ = 1006155108000.

The previous prime is 1113321112117. The next prime is 1113321112129. The reversal of 1113321112123 is 3212111233111.

It is an interprime number because it is at equal distance from previous prime (1113321112117) and next prime (1113321112129).

It is a cyclic number.

It is not a de Polignac number, because 1113321112123 - 2¹³ = 1113321103931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113321112094 and 1113321112103.

It is not an unprimeable number, because it can be changed into a prime (1113321112129) 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 15 ways as a sum of consecutive naturals, for example, 22756378 + ... + 22805248.

It is an arithmetic number, because the mean of its divisors is an integer number (76354973712).

Almost surely, 2^{1113321112123} is an apocalyptic number.

1113321112123 is a deficient number, since it is larger than the sum of its proper divisors (108358467269).

1113321112123 is a wasteful number, since it uses less digits than its factorization.

1113321112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61026.

The product of its digits is 216, while the sum is 22.

Adding to 1113321112123 its reverse (3212111233111), we get a palindrome (4325432345234).

The spelling of 1113321112123 in words is "one trillion, one hundred thirteen billion, three hundred twenty-one million, one hundred twelve thousand, one hundred twenty-three".