11012223132 has 60 divisors (see below), whose sum is σ = 29007995016. Its totient is φ = 3642706080.

The previous prime is 11012223119. The next prime is 11012223139. The reversal of 11012223132 is 23132221011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012223139) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 87283 + ... + 172170.

Almost surely, 2^11012223132 is an apocalyptic number.

11012223132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11012223132 is an abundant number, since it is smaller than the sum of its proper divisors (17995771884).

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

11012223132 is a wasteful number, since it uses less digits than its factorization.

11012223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259600 (or 259589 counting only the distinct ones).

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

Adding to 11012223132 its reverse (23132221011), we get a palindrome (34144444143).

The spelling of 11012223132 in words is "eleven billion, twelve million, two hundred twenty-three thousand, one hundred thirty-two".