11220031132 has 6 divisors (see below), whose sum is σ = 19635054488. Its totient is φ = 5610015564.

The previous prime is 11220031073. The next prime is 11220031139. The reversal of 11220031132 is 23113002211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220031139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402503888 + ... + 1402503895.

Almost surely, 2^11220031132 is an apocalyptic number.

It is an amenable number.

11220031132 is a deficient number, since it is larger than the sum of its proper divisors (8415023356).

11220031132 is a wasteful number, since it uses less digits than its factorization.

11220031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805007787 (or 2805007785 counting only the distinct ones).

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

Adding to 11220031132 its reverse (23113002211), we get a palindrome (34333033343).

The spelling of 11220031132 in words is "eleven billion, two hundred twenty million, thirty-one thousand, one hundred thirty-two".