11100021331 has 8 divisors (see below), whose sum is σ = 13353409280. Its totient is φ = 9013551048.

The previous prime is 11100021313. The next prime is 11100021347. The reversal of 11100021331 is 13312000111.

11100021331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11100021331 - 2⁷ = 11100021203 is a prime.

It is a super-2 number, since 2×11100021331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100021731) 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, 41729271 + ... + 41729536.

It is an arithmetic number, because the mean of its divisors is an integer number (1669176160).

Almost surely, 2^11100021331 is an apocalyptic number.

11100021331 is a deficient number, since it is larger than the sum of its proper divisors (2253387949).

11100021331 is an equidigital number, since it uses as much as digits as its factorization.

11100021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83458833.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11100021331 its reverse (13312000111), we get a palindrome (24412021442).

The spelling of 11100021331 in words is "eleven billion, one hundred million, twenty-one thousand, three hundred thirty-one".