121103033130 has 48 divisors (see below), whose sum is σ = 317347190784. Its totient is φ = 32039854560.

The previous prime is 121103033099. The next prime is 121103033153. The reversal of 121103033130 is 31330301121.

It is a happy number.

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

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 23 ways as a sum of consecutive naturals, for example, 5286166 + ... + 5309025.

It is an arithmetic number, because the mean of its divisors is an integer number (6611399808).

Almost surely, 2^121103033130 is an apocalyptic number.

121103033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121103033130 is an abundant number, since it is smaller than the sum of its proper divisors (196244157654).

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

121103033130 is a wasteful number, since it uses less digits than its factorization.

121103033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10595331 (or 10595328 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 121103033130 its reverse (31330301121), we get a palindrome (152433334251).

The spelling of 121103033130 in words is "one hundred twenty-one billion, one hundred three million, thirty-three thousand, one hundred thirty".