11121102132 has 72 divisors (see below), whose sum is σ = 30311487360. Its totient is φ = 3164232960.

The previous prime is 11121102127. The next prime is 11121102191. The reversal of 11121102132 is 23120112111.

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, 102469 + ... + 180947.

It is an arithmetic number, because the mean of its divisors is an integer number (420992880).

Almost surely, 2^11121102132 is an apocalyptic number.

11121102132 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 11121102132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15155743680).

11121102132 is an abundant number, since it is smaller than the sum of its proper divisors (19190385228).

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

11121102132 is a wasteful number, since it uses less digits than its factorization.

11121102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78741 (or 78732 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11121102132 its reverse (23120112111), we get a palindrome (34241214243).

The spelling of 11121102132 in words is "eleven billion, one hundred twenty-one million, one hundred two thousand, one hundred thirty-two".