212211012210201 has 12 divisors (see below), whose sum is σ = 307087396104112. Its totient is φ = 141215371924536.

The previous prime is 212211012210191. The next prime is 212211012210251. The reversal of 212211012210201 is 102012210112212.

212211012210201 is a `hidden beast` number, since 21 + 221 + 1 + 0 + 1 + 221 + 0 + 201 = 666.

It is not a de Polignac number, because 212211012210201 - 2⁶ = 212211012210137 is a prime.

It is a super-2 number, since 2×212211012210201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212211012210251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21553012771 + ... + 21553022616.

Almost surely, 2^{212211012210201} is an apocalyptic number.

It is an amenable number.

212211012210201 is a deficient number, since it is larger than the sum of its proper divisors (94876383893911).

212211012210201 is a wasteful number, since it uses less digits than its factorization.

212211012210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43106035940 (or 43106035937 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212211012210201 its reverse (102012210112212), we get a palindrome (314223222322413).

The spelling of 212211012210201 in words is "two hundred twelve trillion, two hundred eleven billion, twelve million, two hundred ten thousand, two hundred one".