12202202111111 has 4 divisors (see below), whose sum is σ = 12461823432672. Its totient is φ = 11942580789552.

The previous prime is 12202202111101. The next prime is 12202202111173. The reversal of 12202202111111 is 11111120220221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12202202111111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12202202111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202202111101) 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, 129810660710 + ... + 129810660803.

It is an arithmetic number, because the mean of its divisors is an integer number (3115455858168).

Almost surely, 2^{12202202111111} is an apocalyptic number.

12202202111111 is a deficient number, since it is larger than the sum of its proper divisors (259621321561).

12202202111111 is an equidigital number, since it uses as much as digits as its factorization.

12202202111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259621321560.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12202202111111 its reverse (11111120220221), we get a palindrome (23313322331332).

The spelling of 12202202111111 in words is "twelve trillion, two hundred two billion, two hundred two million, one hundred eleven thousand, one hundred eleven".