212021100201 has 16 divisors (see below), whose sum is σ = 292750459200. Its totient is φ = 136407011520.

The previous prime is 212021100173. The next prime is 212021100253. The reversal of 212021100201 is 102001120212.

It is not a de Polignac number, because 212021100201 - 2¹⁹ = 212020575913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021100271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10920351 + ... + 10939748.

It is an arithmetic number, because the mean of its divisors is an integer number (18296903700).

Almost surely, 2^212021100201 is an apocalyptic number.

It is an amenable number.

212021100201 is a deficient number, since it is larger than the sum of its proper divisors (80729358999).

212021100201 is a wasteful number, since it uses less digits than its factorization.

212021100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21860216.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212021100201 its reverse (102001120212), we get a palindrome (314022220413).

The spelling of 212021100201 in words is "two hundred twelve billion, twenty-one million, one hundred thousand, two hundred one".