212201010110121 has 16 divisors (see below), whose sum is σ = 282958728164736. Its totient is φ = 141455316629376.

The previous prime is 212201010110113. The next prime is 212201010110189. The reversal of 212201010110121 is 121011010102212.

It is a happy number.

It is not a de Polignac number, because 212201010110121 - 2³ = 212201010110113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212201010110121.

It is not an unprimeable number, because it can be changed into a prime (212201010110321) 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, 3086840076 + ... + 3086908818.

It is an arithmetic number, because the mean of its divisors is an integer number (17684920510296).

Almost surely, 2^{212201010110121} is an apocalyptic number.

It is an amenable number.

212201010110121 is a deficient number, since it is larger than the sum of its proper divisors (70757718054615).

212201010110121 is a wasteful number, since it uses less digits than its factorization.

212201010110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141232.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212201010110121 its reverse (121011010102212), we get a palindrome (333212020212333).

The spelling of 212201010110121 in words is "two hundred twelve trillion, two hundred one billion, ten million, one hundred ten thousand, one hundred twenty-one".