123201103111 has 2 divisors, whose sum is σ = 123201103112. Its totient is φ = 123201103110.

The previous prime is 123201103063. The next prime is 123201103159. The reversal of 123201103111 is 111301102321.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (123201103063) and next prime (123201103159).

It is a cyclic number.

It is not a de Polignac number, because 123201103111 - 2⁹ = 123201102599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123201103211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600551555 + 61600551556.

It is an arithmetic number, because the mean of its divisors is an integer number (61600551556).

Almost surely, 2^123201103111 is an apocalyptic number.

123201103111 is a deficient number, since it is larger than the sum of its proper divisors (1).

123201103111 is an equidigital number, since it uses as much as digits as its factorization.

123201103111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 123201103111 its reverse (111301102321), we get a palindrome (234502205432).

The spelling of 123201103111 in words is "one hundred twenty-three billion, two hundred one million, one hundred three thousand, one hundred eleven".