12200111201011 has 2 divisors, whose sum is σ = 12200111201012. Its totient is φ = 12200111201010.

The previous prime is 12200111201009. The next prime is 12200111201023. The reversal of 12200111201011 is 11010211100221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12200111201011 - 2¹ = 12200111201009 is a prime.

Together with 12200111201009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12200111200982 and 12200111201000.

It is not a weakly prime, because it can be changed into another prime (12200111201111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100055600505 + 6100055600506.

It is an arithmetic number, because the mean of its divisors is an integer number (6100055600506).

Almost surely, 2^{12200111201011} is an apocalyptic number.

12200111201011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200111201011 is an equidigital number, since it uses as much as digits as its factorization.

12200111201011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12200111201011 its reverse (11010211100221), we get a palindrome (23210322301232).

The spelling of 12200111201011 in words is "twelve trillion, two hundred billion, one hundred eleven million, two hundred one thousand, eleven".