101100111110100 has 216 divisors, whose sum is σ = 321916368533760. Its totient is φ = 26534786653440.

The previous prime is 101100111110081. The next prime is 101100111110107. The reversal of 101100111110100 is 1011111001101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100111110107) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20295889 + ... + 24781511.

Almost surely, 2^{101100111110100} is an apocalyptic number.

101100111110100 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 101100111110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160958184266880).

101100111110100 is an abundant number, since it is smaller than the sum of its proper divisors (220816257423660).

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

101100111110100 is a wasteful number, since it uses less digits than its factorization.

101100111110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486039 (or 4486029 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 101100111110100 its reverse (1011111001101), we get a palindrome (102111222111201).

The spelling of 101100111110100 in words is "one hundred one trillion, one hundred billion, one hundred eleven million, one hundred ten thousand, one hundred".