200212220101 has 4 divisors (see below), whose sum is σ = 200658127500. Its totient is φ = 199766312704.

The previous prime is 200212220051. The next prime is 200212220119. The reversal of 200212220101 is 101022212002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38325892900 + 161886327201 = 195770^2 + 402351^2 .

It is a cyclic number.

It is not a de Polignac number, because 200212220101 - 2⁷ = 200212219973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212220171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222953026 + ... + 222953923.

It is an arithmetic number, because the mean of its divisors is an integer number (50164531875).

Almost surely, 2^200212220101 is an apocalyptic number.

It is an amenable number.

200212220101 is a deficient number, since it is larger than the sum of its proper divisors (445907399).

200212220101 is an equidigital number, since it uses as much as digits as its factorization.

200212220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445907398.

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

Adding to 200212220101 its reverse (101022212002), we get a palindrome (301234432103).

The spelling of 200212220101 in words is "two hundred billion, two hundred twelve million, two hundred twenty thousand, one hundred one".