1123113211 has 8 divisors (see below), whose sum is σ = 1297286064. Its totient is φ = 960952320.

The previous prime is 1123113179. The next prime is 1123113221.

It is a happy number.

1123113211 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123113211 - 2⁵ = 1123113179 is a prime.

It is a super-2 number, since 2×1123113211² = 2522766569445461042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123113221) 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 7 ways as a sum of consecutive naturals, for example, 3002790 + ... + 3003163.

It is an arithmetic number, because the mean of its divisors is an integer number (162160758).

Almost surely, 2^1123113211 is an apocalyptic number.

1123113211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1123113211 is a deficient number, since it is larger than the sum of its proper divisors (174172853).

1123113211 is a wasteful number, since it uses less digits than its factorization.

1123113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005981.

The product of its digits is 36, while the sum is 16.

The square root of 1123113211 is about 33512.8812697446. The cubic root of 1123113211 is about 1039.4601522060.

It can be divided in two parts, 11231 and 13211, that added together give a palindrome (24442).

The spelling of 1123113211 in words is "one billion, one hundred twenty-three million, one hundred thirteen thousand, two hundred eleven".