11221012132 has 24 divisors (see below), whose sum is σ = 21662635680. Its totient is φ = 5043149760.

The previous prime is 11221012097. The next prime is 11221012169. The reversal of 11221012132 is 23121012211.

It is a super-2 number, since 2×11221012132² (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 7 ways as a sum of consecutive naturals, for example, 1428798 + ... + 1436629.

It is an arithmetic number, because the mean of its divisors is an integer number (902609820).

Almost surely, 2^11221012132 is an apocalyptic number.

It is an amenable number.

11221012132 is a deficient number, since it is larger than the sum of its proper divisors (10441623548).

11221012132 is a wasteful number, since it uses less digits than its factorization.

11221012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865531 (or 2865529 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11221012132 its reverse (23121012211), we get a palindrome (34342024343).

The spelling of 11221012132 in words is "eleven billion, two hundred twenty-one million, twelve thousand, one hundred thirty-two".