121103220032 has 112 divisors (see below), whose sum is σ = 247830685440. Its totient is φ = 58686308352.

The previous prime is 121103220023. The next prime is 121103220047. The reversal of 121103220032 is 230022301121.

It is a congruent number.

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, 195643019 + ... + 195643637.

Almost surely, 2^121103220032 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 121103220032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123915342720).

121103220032 is an abundant number, since it is smaller than the sum of its proper divisors (126727465408).

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

121103220032 is a wasteful number, since it uses less digits than its factorization.

121103220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121103220032 its reverse (230022301121), we get a palindrome (351125521153).

The spelling of 121103220032 in words is "one hundred twenty-one billion, one hundred three million, two hundred twenty thousand, thirty-two".