11101323321 has 32 divisors (see below), whose sum is σ = 17950458240. Its totient is φ = 6724728000.

The previous prime is 11101323283. The next prime is 11101323329. The reversal of 11101323321 is 12332310111.

11101323321 is a `hidden beast` number, since 11 + 10 + 1 + 323 + 321 = 666.

It is not a de Polignac number, because 11101323321 - 2⁷ = 11101323193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11101323294 and 11101323303.

It is not an unprimeable number, because it can be changed into a prime (11101323329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672871 + ... + 689171.

It is an arithmetic number, because the mean of its divisors is an integer number (560951820).

Almost surely, 2^11101323321 is an apocalyptic number.

11101323321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11101323321 is a deficient number, since it is larger than the sum of its proper divisors (6849134919).

11101323321 is a wasteful number, since it uses less digits than its factorization.

11101323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18614 (or 18608 counting only the distinct ones).

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

Adding to 11101323321 its reverse (12332310111), we get a palindrome (23433633432).

The spelling of 11101323321 in words is "eleven billion, one hundred one million, three hundred twenty-three thousand, three hundred twenty-one".