212215117167101 has 4 divisors (see below), whose sum is σ = 212215535152992. Its totient is φ = 212214699181212.

The previous prime is 212215117167047. The next prime is 212215117167107. The reversal of 212215117167101 is 101761711512212.

212215117167101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212215117167101 - 2⁶ = 212215117167037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212215117167107) 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, 208230455 + ... + 209247108.

It is an arithmetic number, because the mean of its divisors is an integer number (53053883788248).

Almost surely, 2^{212215117167101} is an apocalyptic number.

It is an amenable number.

212215117167101 is a deficient number, since it is larger than the sum of its proper divisors (417985891).

212215117167101 is an equidigital number, since it uses as much as digits as its factorization.

212215117167101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417985890.

The product of its (nonzero) digits is 11760, while the sum is 38.

Adding to 212215117167101 its reverse (101761711512212), we get a palindrome (313976828679313).

The spelling of 212215117167101 in words is "two hundred twelve trillion, two hundred fifteen billion, one hundred seventeen million, one hundred sixty-seven thousand, one hundred one".