11204022132 has 72 divisors (see below), whose sum is σ = 28908491976. Its totient is φ = 3657498624.

The previous prime is 11204022119. The next prime is 11204022143. The reversal of 11204022132 is 23122040211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7290768996 + 3913253136 = 85386^2 + 62556^2 .

It is a super-2 number, since 2×11204022132² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1095828 + ... + 1106004.

It is an arithmetic number, because the mean of its divisors is an integer number (401506833).

Almost surely, 2^11204022132 is an apocalyptic number.

11204022132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11204022132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14454245988).

11204022132 is an abundant number, since it is smaller than the sum of its proper divisors (17704469844).

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

11204022132 is a wasteful number, since it uses less digits than its factorization.

11204022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10817 (or 10812 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11204022132 its reverse (23122040211), we get a palindrome (34326062343).

The spelling of 11204022132 in words is "eleven billion, two hundred four million, twenty-two thousand, one hundred thirty-two".