212202220222101 has 8 divisors (see below), whose sum is σ = 283580795439040. Its totient is φ = 141145895909952.

The previous prime is 212202220222079. The next prime is 212202220222103. The reversal of 212202220222101 is 101222022202212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212202220222101 - 2¹⁸ = 212202219959957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202220222103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80562724660 + ... + 80562727293.

It is an arithmetic number, because the mean of its divisors is an integer number (35447599429880).

Almost surely, 2^{212202220222101} is an apocalyptic number.

It is an amenable number.

212202220222101 is a deficient number, since it is larger than the sum of its proper divisors (71378575216939).

212202220222101 is a wasteful number, since it uses less digits than its factorization.

212202220222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161125452395.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212202220222101 its reverse (101222022202212), we get a palindrome (313424242424313).

The spelling of 212202220222101 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty million, two hundred twenty-two thousand, one hundred one".