121393100238 has 32 divisors (see below), whose sum is σ = 246301378560. Its totient is φ = 39880345440.

The previous prime is 121393100201. The next prime is 121393100273. The reversal of 121393100238 is 832001393121.

121393100238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121393100199 and 121393100208.

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, 34123 + ... + 493913.

It is an arithmetic number, because the mean of its divisors is an integer number (7696918080).

Almost surely, 2^121393100238 is an apocalyptic number.

121393100238 is an abundant number, since it is smaller than the sum of its proper divisors (124908278322).

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

121393100238 is a wasteful number, since it uses less digits than its factorization.

121393100238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460432.

The product of its (nonzero) digits is 7776, while the sum is 33.

Adding to 121393100238 its reverse (832001393121), we get a palindrome (953394493359).

The spelling of 121393100238 in words is "one hundred twenty-one billion, three hundred ninety-three million, one hundred thousand, two hundred thirty-eight".