212202212111101 has 8 divisors (see below), whose sum is σ = 212239256075000. Its totient is φ = 212165168935680.

The previous prime is 212202212111009. The next prime is 212202212111173. The reversal of 212202212111101 is 101111212202212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7497684476100 + 204704527635001 = 2738190^2 + 14307499^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212202212111101 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 (212202212171101) 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, 852953275 + ... + 853202023.

It is an arithmetic number, because the mean of its divisors is an integer number (26529907009375).

Almost surely, 2^{212202212111101} is an apocalyptic number.

It is an amenable number.

212202212111101 is a deficient number, since it is larger than the sum of its proper divisors (37043963899).

212202212111101 is a wasteful number, since it uses less digits than its factorization.

212202212111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394239.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212202212111101 its reverse (101111212202212), we get a palindrome (313313424313313).

The spelling of 212202212111101 in words is "two hundred twelve trillion, two hundred two billion, two hundred twelve million, one hundred eleven thousand, one hundred one".