212211012201 has 4 divisors (see below), whose sum is σ = 282948016272. Its totient is φ = 141474008132.

The previous prime is 212211012197. The next prime is 212211012229. The reversal of 212211012201 is 102210112212.

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 212211012201 - 2² = 212211012197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212211012241) 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, 35368502031 + ... + 35368502036.

It is an arithmetic number, because the mean of its divisors is an integer number (70737004068).

Almost surely, 2^212211012201 is an apocalyptic number.

It is an amenable number.

212211012201 is a deficient number, since it is larger than the sum of its proper divisors (70737004071).

212211012201 is an equidigital number, since it uses as much as digits as its factorization.

212211012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70737004070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212211012201 its reverse (102210112212), we get a palindrome (314421124413).

The spelling of 212211012201 in words is "two hundred twelve billion, two hundred eleven million, twelve thousand, two hundred one".