200212201021 has 4 divisors (see below), whose sum is σ = 228813944032. Its totient is φ = 171610458012.

The previous prime is 200212200989. The next prime is 200212201067. The reversal of 200212201021 is 120102212002.

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 not a de Polignac number, because 200212201021 - 2⁵ = 200212200989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200212200992 and 200212201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212601021) 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, 14300871495 + ... + 14300871508.

It is an arithmetic number, because the mean of its divisors is an integer number (57203486008).

Almost surely, 2^200212201021 is an apocalyptic number.

It is an amenable number.

200212201021 is a deficient number, since it is larger than the sum of its proper divisors (28601743011).

200212201021 is an equidigital number, since it uses as much as digits as its factorization.

200212201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28601743010.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200212201021 its reverse (120102212002), we get a palindrome (320314413023).

The spelling of 200212201021 in words is "two hundred billion, two hundred twelve million, two hundred one thousand, twenty-one".