123201330111 has 6 divisors (see below), whose sum is σ = 177957476840. Its totient is φ = 82134220068.

The previous prime is 123201330107. The next prime is 123201330137. The reversal of 123201330111 is 111033102321.

123201330111 is a `hidden beast` number, since 1 + 2 + 320 + 1 + 330 + 1 + 11 = 666.

It is not a de Polignac number, because 123201330111 - 2² = 123201330107 is a prime.

It is a super-2 number, since 2×123201330111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123201330191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6844518331 + ... + 6844518348.

Almost surely, 2^123201330111 is an apocalyptic number.

123201330111 is a deficient number, since it is larger than the sum of its proper divisors (54756146729).

123201330111 is a wasteful number, since it uses less digits than its factorization.

123201330111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13689036685 (or 13689036682 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 123201330111 its reverse (111033102321), we get a palindrome (234234432432).

It can be divided in two parts, 12320 and 1330111, that added together give a palindrome (1342431).

The spelling of 123201330111 in words is "one hundred twenty-three billion, two hundred one million, three hundred thirty thousand, one hundred eleven".