11230211232 has 72 divisors (see below), whose sum is σ = 31947761664. Its totient is φ = 3742015104.

The previous prime is 11230211221. The next prime is 11230211281. The reversal of 11230211232 is 23211203211.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×11230211232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1026463 + ... + 1037345.

It is an arithmetic number, because the mean of its divisors is an integer number (443718912).

Almost surely, 2^11230211232 is an apocalyptic number.

11230211232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11230211232 is an abundant number, since it is smaller than the sum of its proper divisors (20717550432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11230211232 is a wasteful number, since it uses less digits than its factorization.

11230211232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14482 (or 14471 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11230211232 its reverse (23211203211), we get a palindrome (34441414443).

The spelling of 11230211232 in words is "eleven billion, two hundred thirty million, two hundred eleven thousand, two hundred thirty-two".