1123113321 has 36 divisors (see below), whose sum is σ = 1800810960. Its totient is φ = 668932560.

The previous prime is 1123113319. The next prime is 1123113323. The reversal of 1123113321 is 1233113211.

It is an interprime number because it is at equal distance from previous prime (1123113319) and next prime (1123113323).

It is not a de Polignac number, because 1123113321 - 2¹ = 1123113319 is a prime.

It is a super-2 number, since 2×1123113321² = 2522767063615298082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123113294 and 1123113303.

It is not an unprimeable number, because it can be changed into a prime (1123113323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 342990 + ... + 346248.

Almost surely, 2^1123113321 is an apocalyptic number.

1123113321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1123113321 is a deficient number, since it is larger than the sum of its proper divisors (677697639).

1123113321 is a wasteful number, since it uses less digits than its factorization.

1123113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394 (or 3332 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1123113321 is about 33512.8829109046. The cubic root of 1123113321 is about 1039.4601861416.

Adding to 1123113321 its reverse (1233113211), we get a palindrome (2356226532).

The spelling of 1123113321 in words is "one billion, one hundred twenty-three million, one hundred thirteen thousand, three hundred twenty-one".