121355250202 has 8 divisors (see below), whose sum is σ = 183361582836. Its totient is φ = 60234722592.

The previous prime is 121355250157. The next prime is 121355250217. The reversal of 121355250202 is 202052553121.

It can be written as a sum of positive squares in 2 ways, for example, as 105799922361 + 15555327841 = 325269^2 + 124721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221450913 + ... + 221451460.

Almost surely, 2^121355250202 is an apocalyptic number.

121355250202 is a deficient number, since it is larger than the sum of its proper divisors (62006332634).

121355250202 is a wasteful number, since it uses less digits than its factorization.

121355250202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442902512.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 121355250202 in words is "one hundred twenty-one billion, three hundred fifty-five million, two hundred fifty thousand, two hundred two".