10111110111100 has 72 divisors (see below), whose sum is σ = 22160804805216. Its totient is φ = 4003956000000.

The previous prime is 10111110111073. The next prime is 10111110111131. The reversal of 10111110111100 is 111101111101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99949545 + ... + 100050655.

It is an arithmetic number, because the mean of its divisors is an integer number (307788955628).

Almost surely, 2^{10111110111100} is an apocalyptic number.

10111110111100 is a gapful number since it is divisible by the number (10) 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 10111110111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11080402402608).

10111110111100 is an abundant number, since it is smaller than the sum of its proper divisors (12049694694116).

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

10111110111100 is a wasteful number, since it uses less digits than its factorization.

10111110111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111127 (or 111120 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 10111110111100 its reverse (111101111101), we get a palindrome (10222211222201).

It can be divided in two parts, 101111 and 10111100, that multiplied together give a square (1022343432100 = 1011110²).

The spelling of 10111110111100 in words is "ten trillion, one hundred eleven billion, one hundred ten million, one hundred eleven thousand, one hundred".