121333331194 has 4 divisors (see below), whose sum is σ = 181999996794. Its totient is φ = 60666665596.

The previous prime is 121333331179. The next prime is 121333331239. The reversal of 121333331194 is 491133333121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491133333121 = 120551 ⋅4074071.

It can be written as a sum of positive squares in only one way, i.e., 120801429225 + 531901969 = 347565^2 + 23063^2 .

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 as a sum of consecutive naturals, namely, 30333332797 + ... + 30333332800.

Almost surely, 2^121333331194 is an apocalyptic number.

121333331194 is a deficient number, since it is larger than the sum of its proper divisors (60666665600).

121333331194 is an equidigital number, since it uses as much as digits as its factorization.

121333331194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60666665599.

The product of its digits is 17496, while the sum is 34.

The spelling of 121333331194 in words is "one hundred twenty-one billion, three hundred thirty-three million, three hundred thirty-one thousand, one hundred ninety-four".