212200201121 has 4 divisors (see below), whose sum is σ = 212209700544. Its totient is φ = 212190701700.

The previous prime is 212200201111. The next prime is 212200201133. The reversal of 212200201121 is 121102002212.

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 212200201121 - 2¹⁰ = 212200200097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212200201096 and 212200201105.

It is not an unprimeable number, because it can be changed into a prime (212200201111) 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, 4716125 + ... + 4760906.

It is an arithmetic number, because the mean of its divisors is an integer number (53052425136).

Almost surely, 2^212200201121 is an apocalyptic number.

It is an amenable number.

212200201121 is a deficient number, since it is larger than the sum of its proper divisors (9499423).

212200201121 is an equidigital number, since it uses as much as digits as its factorization.

212200201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9499422.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212200201121 its reverse (121102002212), we get a palindrome (333302203333).

The spelling of 212200201121 in words is "two hundred twelve billion, two hundred million, two hundred one thousand, one hundred twenty-one".