121099328376196 has 27 divisors (see below), whose sum is σ = 219484689837231. Its totient is φ = 58461436606944.

The previous prime is 121099328376107. The next prime is 121099328376209. The reversal of 121099328376196 is 691673823990121.

The square root of 121099328376196 is 11004514.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 89120160900 + 121010208215296 = 298530^2 + 11000464^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 638166946 + ... + 638356678.

Almost surely, 2^{121099328376196} is an apocalyptic number.

121099328376196 is the 11004514-th square number.

It is an amenable number.

121099328376196 is a deficient number, since it is larger than the sum of its proper divisors (98385361461035).

121099328376196 is an frugal number, since it uses more digits than its factorization.

121099328376196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379528 (or 189764 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 67.

The spelling of 121099328376196 in words is "one hundred twenty-one trillion, ninety-nine billion, three hundred twenty-eight million, three hundred seventy-six thousand, one hundred ninety-six".