200112121 has 8 divisors (see below), whose sum is σ = 227795904. Its totient is φ = 174010320.

The previous prime is 200112109. The next prime is 200112127. The reversal of 200112121 is 121211002.

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

It is not a de Polignac number, because 200112121 - 2⁷ = 200111993 is a prime.

It is a super-2 number, since 2×200112121² = 80089721942237282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200112098 and 200112107.

It is not an unprimeable number, because it can be changed into a prime (200112127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395226 + ... + 395731.

It is an arithmetic number, because the mean of its divisors is an integer number (28474488).

Almost surely, 2^200112121 is an apocalyptic number.

It is an amenable number.

200112121 is a deficient number, since it is larger than the sum of its proper divisors (27683783).

200112121 is a wasteful number, since it uses less digits than its factorization.

200112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790991.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 200112121 is about 14146.0991442871. The cubic root of 200112121 is about 584.9128084920.

Adding to 200112121 its reverse (121211002), we get a palindrome (321323123).

The spelling of 200112121 in words is "two hundred million, one hundred twelve thousand, one hundred twenty-one".