11023203111 has 8 divisors (see below), whose sum is σ = 14730783360. Its totient is φ = 7332212472.

The previous prime is 11023203097. The next prime is 11023203151. The reversal of 11023203111 is 11130232011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11023203111 - 2¹⁰ = 11023202087 is a prime.

It is a super-2 number, since 2×11023203111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023203151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4145851 + ... + 4148508.

It is an arithmetic number, because the mean of its divisors is an integer number (1841347920).

Almost surely, 2^11023203111 is an apocalyptic number.

11023203111 is a deficient number, since it is larger than the sum of its proper divisors (3707580249).

11023203111 is an equidigital number, since it uses as much as digits as its factorization.

11023203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8294805.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11023203111 its reverse (11130232011), we get a palindrome (22153435122).

The spelling of 11023203111 in words is "eleven billion, twenty-three million, two hundred three thousand, one hundred eleven".