121134100243 has 8 divisors (see below), whose sum is σ = 131180893200. Its totient is φ = 111191419488.

The previous prime is 121134100193. The next prime is 121134100247. The reversal of 121134100243 is 342001431121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121134100243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121134100247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26025628 + ... + 26030281.

It is an arithmetic number, because the mean of its divisors is an integer number (16397611650).

Almost surely, 2^121134100243 is an apocalyptic number.

121134100243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121134100243 is a deficient number, since it is larger than the sum of its proper divisors (10046792957).

121134100243 is a wasteful number, since it uses less digits than its factorization.

121134100243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52056101.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 121134100243 its reverse (342001431121), we get a palindrome (463135531364).

The spelling of 121134100243 in words is "one hundred twenty-one billion, one hundred thirty-four million, one hundred thousand, two hundred forty-three".