11032131220 has 24 divisors (see below), whose sum is σ = 25273610208. Its totient is φ = 4011684000.

The previous prime is 11032131203. The next prime is 11032131239. The reversal of 11032131220 is 2213123011.

It is a junction number, because it is equal to n+sod(n) for n = 11032131194 and 11032131203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25072806 + ... + 25073245.

It is an arithmetic number, because the mean of its divisors is an integer number (1053067092).

Almost surely, 2^11032131220 is an apocalyptic number.

11032131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11032131220 is an abundant number, since it is smaller than the sum of its proper divisors (14241478988).

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

11032131220 is a wasteful number, since it uses less digits than its factorization.

11032131220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50146071 (or 50146069 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11032131220 its reverse (2213123011), we get a palindrome (13245254231).

The spelling of 11032131220 in words is "eleven billion, thirty-two million, one hundred thirty-one thousand, two hundred twenty".