10103123311112 has 64 divisors (see below), whose sum is σ = 20567583590400. Its totient is φ = 4624820928000.

The previous prime is 10103123311111. The next prime is 10103123311123. The reversal of 10103123311112 is 21111332130101.

It is not an unprimeable number, because it can be changed into a prime (10103123311111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42821564 + ... + 43056852.

It is an arithmetic number, because the mean of its divisors is an integer number (321368493600).

Almost surely, 2^{10103123311112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10103123311112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10283791795200).

10103123311112 is an abundant number, since it is smaller than the sum of its proper divisors (10464460279288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10103123311112 is a wasteful number, since it uses less digits than its factorization.

10103123311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238686 (or 238682 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 10103123311112 its reverse (21111332130101), we get a palindrome (31214455441213).

The spelling of 10103123311112 in words is "ten trillion, one hundred three billion, one hundred twenty-three million, three hundred eleven thousand, one hundred twelve".