202212221111111 has 8 divisors (see below), whose sum is σ = 202274902938720. Its totient is φ = 202149540283392.

The previous prime is 202212221111107. The next prime is 202212221111129. The reversal of 202212221111111 is 111111122212202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 202212221111111 - 2² = 202212221111107 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 (202212221111161) 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, 739719191 + ... + 739992503.

It is an arithmetic number, because the mean of its divisors is an integer number (25284362867340).

Almost surely, 2^{202212221111111} is an apocalyptic number.

202212221111111 is a deficient number, since it is larger than the sum of its proper divisors (62681827609).

202212221111111 is a wasteful number, since it uses less digits than its factorization.

202212221111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499945.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 202212221111111 its reverse (111111122212202), we get a palindrome (313323343323313).

The spelling of 202212221111111 in words is "two hundred two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred eleven".