123301201111 has 12 divisors (see below), whose sum is σ = 136231670176. Its totient is φ = 111511192320.

The previous prime is 123301201109. The next prime is 123301201141. The reversal of 123301201111 is 111102103321.

It is a happy number.

It is not a de Polignac number, because 123301201111 - 2¹ = 123301201109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123301201141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2616591 + ... + 2663296.

Almost surely, 2^123301201111 is an apocalyptic number.

123301201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123301201111 is a deficient number, since it is larger than the sum of its proper divisors (12930469065).

123301201111 is a wasteful number, since it uses less digits than its factorization.

123301201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280102 (or 5280091 counting only the distinct ones).

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

Adding to 123301201111 its reverse (111102103321), we get a palindrome (234403304432).

The spelling of 123301201111 in words is "one hundred twenty-three billion, three hundred one million, two hundred one thousand, one hundred eleven".