121111332 has 48 divisors (see below), whose sum is σ = 300464640. Its totient is φ = 37837312.

The previous prime is 121111297. The next prime is 121111343. The reversal of 121111332 is 233111121.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53773 + ... + 55979.

It is an arithmetic number, because the mean of its divisors is an integer number (6259680).

Almost surely, 2^121111332 is an apocalyptic number.

121111332 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 121111332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150232320).

121111332 is an abundant number, since it is smaller than the sum of its proper divisors (179353308).

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

121111332 is a wasteful number, since it uses less digits than its factorization.

121111332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500 (or 2498 counting only the distinct ones).

The product of its digits is 36, while the sum is 15.

The square root of 121111332 is about 11005.0593819388. The cubic root of 121111332 is about 494.7603941890.

Adding to 121111332 its reverse (233111121), we get a palindrome (354222453).

The spelling of 121111332 in words is "one hundred twenty-one million, one hundred eleven thousand, three hundred thirty-two".