11001221132 has 12 divisors (see below), whose sum is σ = 21002331336. Its totient is φ = 5000555040.

The previous prime is 11001221129. The next prime is 11001221197. The reversal of 11001221132 is 23112210011.

It is a super-2 number, since 2×11001221132² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125013833 + ... + 125013920.

It is an arithmetic number, because the mean of its divisors is an integer number (1750194278).

Almost surely, 2^11001221132 is an apocalyptic number.

It is an amenable number.

11001221132 is a deficient number, since it is larger than the sum of its proper divisors (10001110204).

11001221132 is a wasteful number, since it uses less digits than its factorization.

11001221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250027768 (or 250027766 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11001221132 its reverse (23112210011), we get a palindrome (34113431143).

The spelling of 11001221132 in words is "eleven billion, one million, two hundred twenty-one thousand, one hundred thirty-two".