11202023331 has 8 divisors (see below), whose sum is σ = 16595590160. Its totient is φ = 7468015536.

The previous prime is 11202023309. The next prime is 11202023351. The reversal of 11202023331 is 13332020211.

It is not a de Polignac number, because 11202023331 - 2²⁷ = 11067805603 is a prime.

It is a super-2 number, since 2×11202023331² (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 (11202023351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207444850 + ... + 207444903.

It is an arithmetic number, because the mean of its divisors is an integer number (2074448770).

Almost surely, 2^11202023331 is an apocalyptic number.

11202023331 is a deficient number, since it is larger than the sum of its proper divisors (5393566829).

11202023331 is an equidigital number, since it uses as much as digits as its factorization.

11202023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414889762 (or 414889756 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11202023331 its reverse (13332020211), we get a palindrome (24534043542).

The spelling of 11202023331 in words is "eleven billion, two hundred two million, twenty-three thousand, three hundred thirty-one".