11211121132 has 12 divisors (see below), whose sum is σ = 19628904456. Its totient is φ = 5602862720.

The previous prime is 11211121123. The next prime is 11211121147. The reversal of 11211121132 is 23112111211.

It is a happy number.

It is a super-2 number, since 2×11211121132² (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, 665098 + ... + 681745.

It is an arithmetic number, because the mean of its divisors is an integer number (1635742038).

Almost surely, 2^11211121132 is an apocalyptic number.

It is an amenable number.

11211121132 is a deficient number, since it is larger than the sum of its proper divisors (8417783324).

11211121132 is a wasteful number, since it uses less digits than its factorization.

11211121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348928 (or 1348926 counting only the distinct ones).

The product of its digits is 24, while the sum is 16.

Adding to 11211121132 its reverse (23112111211), we get a palindrome (34323232343).

The spelling of 11211121132 in words is "eleven billion, two hundred eleven million, one hundred twenty-one thousand, one hundred thirty-two".