101111110011111 has 16 divisors (see below), whose sum is σ = 138997205851104. Its totient is φ = 65330388025344.

The previous prime is 101111110011091. The next prime is 101111110011127. The reversal of 101111110011111 is 111110011111101.

It is not a de Polignac number, because 101111110011111 - 2¹⁰ = 101111110010087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111110011151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1772171670 + ... + 1772228723.

It is an arithmetic number, because the mean of its divisors is an integer number (8687325365694).

Almost surely, 2^{101111110011111} is an apocalyptic number.

101111110011111 is a deficient number, since it is larger than the sum of its proper divisors (37886095839993).

101111110011111 is a wasteful number, since it uses less digits than its factorization.

101111110011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544400690.

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

Adding to 101111110011111 its reverse (111110011111101), we get a palindrome (212221121122212).

It can be divided in two parts, 101 and 111110011111, that multiplied together give a palindrome (11222111122211).

The spelling of 101111110011111 in words is "one hundred one trillion, one hundred eleven billion, one hundred ten million, eleven thousand, one hundred eleven".