200231121 has 8 divisors (see below), whose sum is σ = 269077504. Its totient is φ = 132436080.

The previous prime is 200231111. The next prime is 200231149. The reversal of 200231121 is 121132002.

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

It is not a de Polignac number, because 200231121 - 2⁵ = 200231089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200231097 and 200231106.

It is not an unprimeable number, because it can be changed into a prime (200231111) 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, 262390 + ... + 263151.

It is an arithmetic number, because the mean of its divisors is an integer number (33634688).

Almost surely, 2^200231121 is an apocalyptic number.

It is an amenable number.

200231121 is a deficient number, since it is larger than the sum of its proper divisors (68846383).

200231121 is a wasteful number, since it uses less digits than its factorization.

200231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525671.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 200231121 is about 14150.3046256962. The cubic root of 200231121 is about 585.0287282261.

Adding to 200231121 its reverse (121132002), we get a palindrome (321363123).

The spelling of 200231121 in words is "two hundred million, two hundred thirty-one thousand, one hundred twenty-one".