212210212201101 has 12 divisors (see below), whose sum is σ = 306558649211100. Its totient is φ = 141458342273280.

The previous prime is 212210212201067. The next prime is 212210212201189. The reversal of 212210212201101 is 101102212012212.

212210212201101 is a `hidden beast` number, since 21 + 221 + 0 + 212 + 201 + 10 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 130232579978601 + 81977632222500 = 11411949^2 + 9054150^2 .

It is not a de Polignac number, because 212210212201101 - 2¹¹ = 212210212199053 is a prime.

It is a super-2 number, since 2×212210212201101² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210212202101) 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, 1260955140 + ... + 1261123421.

It is an arithmetic number, because the mean of its divisors is an integer number (25546554100925).

Almost surely, 2^{212210212201101} is an apocalyptic number.

It is an amenable number.

212210212201101 is a deficient number, since it is larger than the sum of its proper divisors (94348437009999).

212210212201101 is a wasteful number, since it uses less digits than its factorization.

212210212201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522087916 (or 2522087913 counting only the distinct ones).

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

Adding to 212210212201101 its reverse (101102212012212), we get a palindrome (313312424213313).

The spelling of 212210212201101 in words is "two hundred twelve trillion, two hundred ten billion, two hundred twelve million, two hundred one thousand, one hundred one".