123200102111 has 2 divisors, whose sum is σ = 123200102112. Its totient is φ = 123200102110.

The previous prime is 123200102101. The next prime is 123200102131. The reversal of 123200102111 is 111201002321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123200102111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123200102101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600051055 + 61600051056.

It is an arithmetic number, because the mean of its divisors is an integer number (61600051056).

Almost surely, 2^123200102111 is an apocalyptic number.

123200102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

123200102111 is an equidigital number, since it uses as much as digits as its factorization.

123200102111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 123200102111 its reverse (111201002321), we get a palindrome (234401104432).

The spelling of 123200102111 in words is "one hundred twenty-three billion, two hundred million, one hundred two thousand, one hundred eleven".