121103320 has 32 divisors (see below), whose sum is σ = 293443920. Its totient is φ = 44714880.

The previous prime is 121103293. The next prime is 121103377. The reversal of 121103320 is 23301121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 121103320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115926 + ... + 116965.

Almost surely, 2^121103320 is an apocalyptic number.

121103320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121103320 is an abundant number, since it is smaller than the sum of its proper divisors (172340600).

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

121103320 is a wasteful number, since it uses less digits than its factorization.

121103320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232915 (or 232911 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121103320 is about 11004.6953615264. The cubic root of 121103320 is about 494.7494838208.

Adding to 121103320 its reverse (23301121), we get a palindrome (144404441).

The spelling of 121103320 in words is "one hundred twenty-one million, one hundred three thousand, three hundred twenty".