121110320196 has 36 divisors (see below), whose sum is σ = 306219049500. Its totient is φ = 40359679488.

The previous prime is 121110320167. The next prime is 121110320207. The reversal of 121110320196 is 691023011121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87001401600 + 34108918596 = 294960^2 + 184686^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 in 11 ways as a sum of consecutive naturals, for example, 292521 + ... + 572528.

Almost surely, 2^121110320196 is an apocalyptic number.

It is an amenable number.

121110320196 is an abundant number, since it is smaller than the sum of its proper divisors (185108729304).

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

121110320196 is a wasteful number, since it uses less digits than its factorization.

121110320196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868948 (or 868943 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 121110320196 in words is "one hundred twenty-one billion, one hundred ten million, three hundred twenty thousand, one hundred ninety-six".