10111101101112 has 128 divisors (see below), whose sum is σ = 29046470400000. Its totient is φ = 2900769863040.

The previous prime is 10111101101099. The next prime is 10111101101147. The reversal of 10111101101112 is 21110110111101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6846613 + ... + 8191355.

It is an arithmetic number, because the mean of its divisors is an integer number (226925550000).

Almost surely, 2^{10111101101112} is an apocalyptic number.

10111101101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111101101112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14523235200000).

10111101101112 is an abundant number, since it is smaller than the sum of its proper divisors (18935369298888).

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

10111101101112 is a wasteful number, since it uses less digits than its factorization.

10111101101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346281 (or 1346277 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 10111101101112 its reverse (21110110111101), we get a palindrome (31221211212213).

The spelling of 10111101101112 in words is "ten trillion, one hundred eleven billion, one hundred one million, one hundred one thousand, one hundred twelve".