11203321032 has 32 divisors (see below), whose sum is σ = 31120336800. Its totient is φ = 3734440272.

The previous prime is 11203321027. The next prime is 11203321037. The reversal of 11203321032 is 23012330211.

It is an interprime number because it is at equal distance from previous prime (11203321027) and next prime (11203321037).

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

It is a junction number, because it is equal to n+sod(n) for n = 11203320996 and 11203321014.

It is not an unprimeable number, because it can be changed into a prime (11203321037) 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, 25933398 + ... + 25933829.

It is an arithmetic number, because the mean of its divisors is an integer number (972510525).

Almost surely, 2^11203321032 is an apocalyptic number.

11203321032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11203321032 is an abundant number, since it is smaller than the sum of its proper divisors (19917015768).

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

11203321032 is a wasteful number, since it uses less digits than its factorization.

11203321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51867242 (or 51867232 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11203321032 its reverse (23012330211), we get a palindrome (34215651243).

The spelling of 11203321032 in words is "eleven billion, two hundred three million, three hundred twenty-one thousand, thirty-two".