11002122331 has 4 divisors (see below), whose sum is σ = 11021190712. Its totient is φ = 10983053952.

The previous prime is 11002122259. The next prime is 11002122343. The reversal of 11002122331 is 13322120011.

11002122331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11002122331 - 2¹³ = 11002114139 is a prime.

It is a super-2 number, since 2×11002122331² (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 (11002122371) 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 3 ways as a sum of consecutive naturals, for example, 9533325 + ... + 9534478.

It is an arithmetic number, because the mean of its divisors is an integer number (2755297678).

Almost surely, 2^11002122331 is an apocalyptic number.

11002122331 is a deficient number, since it is larger than the sum of its proper divisors (19068381).

11002122331 is an equidigital number, since it uses as much as digits as its factorization.

11002122331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19068380.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11002122331 its reverse (13322120011), we get a palindrome (24324242342).

The spelling of 11002122331 in words is "eleven billion, two million, one hundred twenty-two thousand, three hundred thirty-one".