200223011021 has 4 divisors (see below), whose sum is σ = 218425102944. Its totient is φ = 182020919100.

The previous prime is 200223010991. The next prime is 200223011089. The reversal of 200223011021 is 120110322002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200223011021 - 2⁶ = 200223010957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200223010987 and 200223011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200223011221) 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, 9101045945 + ... + 9101045966.

It is an arithmetic number, because the mean of its divisors is an integer number (54606275736).

Almost surely, 2^200223011021 is an apocalyptic number.

It is an amenable number.

200223011021 is a deficient number, since it is larger than the sum of its proper divisors (18202091923).

200223011021 is a wasteful number, since it uses less digits than its factorization.

200223011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18202091922.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 200223011021 its reverse (120110322002), we get a palindrome (320333333023).

The spelling of 200223011021 in words is "two hundred billion, two hundred twenty-three million, eleven thousand, twenty-one".