212110012210101 has 16 divisors (see below), whose sum is σ = 286394082120960. Its totient is φ = 139616318761920.

The previous prime is 212110012210069. The next prime is 212110012210157. The reversal of 212110012210101 is 101012210011212.

It is a happy number.

It is not a de Polignac number, because 212110012210101 - 2⁵ = 212110012210069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110012210301) 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, 98401011 + ... + 100533471.

It is an arithmetic number, because the mean of its divisors is an integer number (17899630132560).

Almost surely, 2^{212110012210101} is an apocalyptic number.

It is an amenable number.

212110012210101 is a deficient number, since it is larger than the sum of its proper divisors (74284069910859).

212110012210101 is a wasteful number, since it uses less digits than its factorization.

212110012210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552236.

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

Adding to 212110012210101 its reverse (101012210011212), we get a palindrome (313122222221313).

The spelling of 212110012210101 in words is "two hundred twelve trillion, one hundred ten billion, twelve million, two hundred ten thousand, one hundred one".