200120022222121 has 8 divisors (see below), whose sum is σ = 200582985393504. Its totient is φ = 199657109614560.

The previous prime is 200120022222077. The next prime is 200120022222143. The reversal of 200120022222121 is 121222220021002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200120022222121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200120022222521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4710511 + ... + 20553076.

It is an arithmetic number, because the mean of its divisors is an integer number (25072873174188).

Almost surely, 2^{200120022222121} is an apocalyptic number.

It is an amenable number.

200120022222121 is a deficient number, since it is larger than the sum of its proper divisors (462963171383).

200120022222121 is a wasteful number, since it uses less digits than its factorization.

200120022222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25281911.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 200120022222121 its reverse (121222220021002), we get a palindrome (321342242243123).

The spelling of 200120022222121 in words is "two hundred trillion, one hundred twenty billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-one".