121111344 has 60 divisors (see below), whose sum is σ = 344029816. Its totient is φ = 39764736.

The previous prime is 121111343. The next prime is 121111363. The reversal of 121111344 is 443111121.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (121111343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3372 + ... + 15924.

Almost surely, 2^121111344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121111344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172014908).

121111344 is an abundant number, since it is smaller than the sum of its proper divisors (222918472).

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

121111344 is a wasteful number, since it uses less digits than its factorization.

121111344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12634 (or 12625 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 121111344 is about 11005.0599271426. The cubic root of 121111344 is about 494.7604105297.

Adding to 121111344 its reverse (443111121), we get a palindrome (564222465).

The spelling of 121111344 in words is "one hundred twenty-one million, one hundred eleven thousand, three hundred forty-four".