10123206111 has 6 divisors (see below), whose sum is σ = 14622408840. Its totient is φ = 6748804068.

The previous prime is 10123206091. The next prime is 10123206133. The reversal of 10123206111 is 11160232101.

10123206111 is a `hidden beast` number, since 10 + 1 + 23 + 20 + 611 + 1 = 666.

It is not a de Polignac number, because 10123206111 - 2¹³ = 10123197919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123206211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 562400331 + ... + 562400348.

It is an arithmetic number, because the mean of its divisors is an integer number (2437068140).

Almost surely, 2^10123206111 is an apocalyptic number.

10123206111 is a deficient number, since it is larger than the sum of its proper divisors (4499202729).

10123206111 is a wasteful number, since it uses less digits than its factorization.

10123206111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124800685 (or 1124800682 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10123206111 its reverse (11160232101), we get a palindrome (21283438212).

The spelling of 10123206111 in words is "ten billion, one hundred twenty-three million, two hundred six thousand, one hundred eleven".