11230221132 has 96 divisors (see below), whose sum is σ = 32718389760. Its totient is φ = 3305206080.

The previous prime is 11230221113. The next prime is 11230221137. The reversal of 11230221132 is 23112203211.

It is a super-2 number, since 2×11230221132² (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 not an unprimeable number, because it can be changed into a prime (11230221137) 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 31 ways as a sum of consecutive naturals, for example, 141594 + ... + 206177.

It is an arithmetic number, because the mean of its divisors is an integer number (340816560).

Almost surely, 2^11230221132 is an apocalyptic number.

11230221132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11230221132 is an abundant number, since it is smaller than the sum of its proper divisors (21488168628).

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

11230221132 is a wasteful number, since it uses less digits than its factorization.

11230221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347820 (or 347812 counting only the distinct ones).

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

Adding to 11230221132 its reverse (23112203211), we get a palindrome (34342424343).

The spelling of 11230221132 in words is "eleven billion, two hundred thirty million, two hundred twenty-one thousand, one hundred thirty-two".