11011101321 has 32 divisors (see below), whose sum is σ = 17016278400. Its totient is φ = 6269114880.

The previous prime is 11011101317. The next prime is 11011101349. The reversal of 11011101321 is 12310111011.

It is not a de Polignac number, because 11011101321 - 2² = 11011101317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011101297 and 11011101306.

It is not an unprimeable number, because it can be changed into a prime (11011101301) 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, 120076 + ... + 190893.

It is an arithmetic number, because the mean of its divisors is an integer number (531758700).

Almost surely, 2^11011101321 is an apocalyptic number.

11011101321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11011101321 is a deficient number, since it is larger than the sum of its proper divisors (6005177079).

11011101321 is a wasteful number, since it uses less digits than its factorization.

11011101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311049.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11011101321 its reverse (12310111011), we get a palindrome (23321212332).

The spelling of 11011101321 in words is "eleven billion, eleven million, one hundred one thousand, three hundred twenty-one".