121000103224 has 128 divisors (see below), whose sum is σ = 307633697280. Its totient is φ = 43085376000.

The previous prime is 121000103221. The next prime is 121000103243. The reversal of 121000103224 is 422301000121.

It is a junction number, because it is equal to n+sod(n) for n = 121000103198 and 121000103207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000103221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 734007 + ... + 883609.

It is an arithmetic number, because the mean of its divisors is an integer number (2403388260).

Almost surely, 2^121000103224 is an apocalyptic number.

121000103224 is a gapful number since it is divisible by the number (14) 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 121000103224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153816848640).

121000103224 is an abundant number, since it is smaller than the sum of its proper divisors (186633594056).

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

121000103224 is a wasteful number, since it uses less digits than its factorization.

121000103224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149741 (or 149737 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121000103224 its reverse (422301000121), we get a palindrome (543301103345).

The spelling of 121000103224 in words is "one hundred twenty-one billion, one hundred three thousand, two hundred twenty-four".