12203231122111 has 2 divisors, whose sum is σ = 12203231122112. Its totient is φ = 12203231122110.

The previous prime is 12203231122109. The next prime is 12203231122151. The reversal of 12203231122111 is 11122113230221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12203231122111 - 2¹ = 12203231122109 is a prime.

Together with 12203231122109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12203231122151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101615561055 + 6101615561056.

It is an arithmetic number, because the mean of its divisors is an integer number (6101615561056).

Almost surely, 2^{12203231122111} is an apocalyptic number.

12203231122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203231122111 is an equidigital number, since it uses as much as digits as its factorization.

12203231122111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12203231122111 its reverse (11122113230221), we get a palindrome (23325344352332).

The spelling of 12203231122111 in words is "twelve trillion, two hundred three billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred eleven".