11100111100101 has 24 divisors (see below), whose sum is σ = 16413251876736. Its totient is φ = 7224945577920.

The previous prime is 11100111100081. The next prime is 11100111100103. The reversal of 11100111100101 is 10100111100111.

It is not a de Polignac number, because 11100111100101 - 2⁶ = 11100111100037 is a prime.

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 (11100111100103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5095920 + ... + 6940361.

It is an arithmetic number, because the mean of its divisors is an integer number (683885494864).

Almost surely, 2^{11100111100101} is an apocalyptic number.

It is an amenable number.

11100111100101 is a deficient number, since it is larger than the sum of its proper divisors (5313140776635).

11100111100101 is a wasteful number, since it uses less digits than its factorization.

11100111100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038713 (or 12038710 counting only the distinct ones).

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

Adding to 11100111100101 its reverse (10100111100111), we get a palindrome (21200222200212).

The spelling of 11100111100101 in words is "eleven trillion, one hundred billion, one hundred eleven million, one hundred thousand, one hundred one".