121193581048 has 32 divisors (see below), whose sum is σ = 228573964800. Its totient is φ = 60240722272.

The previous prime is 121193581031. The next prime is 121193581049. The reversal of 121193581048 is 840185391121.

It is a junction number, because it is equal to n+sod(n) for n = 121193580995 and 121193581013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121193581049) 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, 5899611 + ... + 5920117.

It is an arithmetic number, because the mean of its divisors is an integer number (7142936400).

Almost surely, 2^121193581048 is an apocalyptic number.

It is an amenable number.

121193581048 is a deficient number, since it is larger than the sum of its proper divisors (107380383752).

121193581048 is a wasteful number, since it uses less digits than its factorization.

121193581048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24819 (or 24815 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 121193581048 in words is "one hundred twenty-one billion, one hundred ninety-three million, five hundred eighty-one thousand, forty-eight".