200221121698 has 8 divisors (see below), whose sum is σ = 323434119708. Its totient is φ = 92409748464.

The previous prime is 200221121651. The next prime is 200221121699. The reversal of 200221121698 is 896121122002.

200221121698 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 180350554329 + 19870567369 = 424677^2 + 140963^2 .

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

It is not an unprimeable number, because it can be changed into a prime (200221121699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3850406161 + ... + 3850406212.

Almost surely, 2^200221121698 is an apocalyptic number.

200221121698 is a deficient number, since it is larger than the sum of its proper divisors (123212998010).

200221121698 is a wasteful number, since it uses less digits than its factorization.

200221121698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700812388.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 200221121698 in words is "two hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, six hundred ninety-eight".