11020203331 has 8 divisors (see below), whose sum is σ = 11202664928. Its totient is φ = 10837800000.

The previous prime is 11020203269. The next prime is 11020203367. The reversal of 11020203331 is 13330202011.

11020203331 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 11020203331 - 2²⁷ = 10885985603 is a prime.

It is a super-2 number, since 2×11020203331² (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 (11020203031) 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, 539026 + ... + 559096.

It is an arithmetic number, because the mean of its divisors is an integer number (1400333116).

Almost surely, 2^11020203331 is an apocalyptic number.

11020203331 is a deficient number, since it is larger than the sum of its proper divisors (182461597).

11020203331 is an equidigital number, since it uses as much as digits as its factorization.

11020203331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29133.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 11020203331 its reverse (13330202011), we get a palindrome (24350405342).

The spelling of 11020203331 in words is "eleven billion, twenty million, two hundred three thousand, three hundred thirty-one".