13102123111 has 8 divisors (see below), whose sum is σ = 16335114624. Its totient is φ = 10209446520.

The previous prime is 13102123103. The next prime is 13102123127. The reversal of 13102123111 is 11132120131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13102123111 - 2³ = 13102123103 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 (13102123171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85078645 + ... + 85078798.

It is an arithmetic number, because the mean of its divisors is an integer number (2041889328).

Almost surely, 2^13102123111 is an apocalyptic number.

13102123111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13102123111 is a deficient number, since it is larger than the sum of its proper divisors (3232991513).

13102123111 is a wasteful number, since it uses less digits than its factorization.

13102123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170157461.

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

Adding to 13102123111 its reverse (11132120131), we get a palindrome (24234243242).

The spelling of 13102123111 in words is "thirteen billion, one hundred two million, one hundred twenty-three thousand, one hundred eleven".