121100144318 has 16 divisors (see below), whose sum is σ = 193956149376. Its totient is φ = 56570541720.

The previous prime is 121100144311. The next prime is 121100144327. The reversal of 121100144318 is 813441001121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100144311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30609788 + ... + 30613743.

It is an arithmetic number, because the mean of its divisors is an integer number (12122259336).

Almost surely, 2^121100144318 is an apocalyptic number.

121100144318 is a deficient number, since it is larger than the sum of its proper divisors (72856005058).

121100144318 is a wasteful number, since it uses less digits than its factorization.

121100144318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61223599.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 121100144318 its reverse (813441001121), we get a palindrome (934541145439).

The spelling of 121100144318 in words is "one hundred twenty-one billion, one hundred million, one hundred forty-four thousand, three hundred eighteen".