111101101111101 has 8 divisors (see below), whose sum is σ = 148154087386624. Its totient is φ = 74057757788160.

The previous prime is 111101101111087. The next prime is 111101101111139. The reversal of 111101101111101 is 101111101101111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111101101111101 - 2⁷ = 111101101110973 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 (111101101112101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2410711261 + ... + 2410757346.

It is an arithmetic number, because the mean of its divisors is an integer number (18519260923328).

Almost surely, 2^{111101101111101} is an apocalyptic number.

It is an amenable number.

111101101111101 is a deficient number, since it is larger than the sum of its proper divisors (37052986275523).

111101101111101 is an equidigital number, since it uses as much as digits as its factorization.

111101101111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821476291.

The product of its (nonzero) digits is 1, while the sum is 12.

Adding to 111101101111101 its reverse (101111101101111), we get a palindrome (212212202212212).

It can be divided in two parts, 111101101111 and 101, that multiplied together give a palindrome (11221211212211).

The spelling of 111101101111101 in words is "one hundred eleven trillion, one hundred one billion, one hundred one million, one hundred eleven thousand, one hundred one".