1113423332121 has 6 divisors (see below), whose sum is σ = 1608278146410. Its totient is φ = 742282221408.

The previous prime is 1113423332071. The next prime is 1113423332129. The reversal of 1113423332121 is 1212333243111.

1113423332121 is a `hidden beast` number, since 1 + 113 + 4 + 2 + 333 + 212 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1010597931225 + 102825400896 = 1005285^2 + 320664^2 .

It is not a de Polignac number, because 1113423332121 - 2¹⁷ = 1113423201049 is a prime.

It is a super-2 number, since 2×1113423332121² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1113423332129) 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 5 ways as a sum of consecutive naturals, for example, 61856851776 + ... + 61856851793.

It is an arithmetic number, because the mean of its divisors is an integer number (268046357735).

Almost surely, 2^{1113423332121} is an apocalyptic number.

It is an amenable number.

1113423332121 is a deficient number, since it is larger than the sum of its proper divisors (494854814289).

1113423332121 is a wasteful number, since it uses less digits than its factorization.

1113423332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123713703575 (or 123713703572 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 1113423332121 its reverse (1212333243111), we get a palindrome (2325756575232).

The spelling of 1113423332121 in words is "one trillion, one hundred thirteen billion, four hundred twenty-three million, three hundred thirty-two thousand, one hundred twenty-one".