10111011111101 has 4 divisors (see below), whose sum is σ = 10238998593600. Its totient is φ = 9983023628604.

The previous prime is 10111011111031. The next prime is 10111011111161. The reversal of 10111011111101 is 10111111011101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111011111101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111011111161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63993741131 + ... + 63993741288.

It is an arithmetic number, because the mean of its divisors is an integer number (2559749648400).

Almost surely, 2^{10111011111101} is an apocalyptic number.

It is an amenable number.

10111011111101 is a deficient number, since it is larger than the sum of its proper divisors (127987482499).

10111011111101 is an equidigital number, since it uses as much as digits as its factorization.

10111011111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127987482498.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 10111011111101 its reverse (10111111011101), we get a palindrome (20222122122202).

The spelling of 10111011111101 in words is "ten trillion, one hundred eleven billion, eleven million, one hundred eleven thousand, one hundred one".