101101010111111 has 4 divisors (see below), whose sum is σ = 103252095432672. Its totient is φ = 98949924789552.

The previous prime is 101101010111089. The next prime is 101101010111117. The reversal of 101101010111111 is 111111010101101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101101010111111 - 2¹⁴ = 101101010094727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101101010111092 and 101101010111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101010111117) 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, 1075542660710 + ... + 1075542660803.

It is an arithmetic number, because the mean of its divisors is an integer number (25813023858168).

Almost surely, 2^{101101010111111} is an apocalyptic number.

101101010111111 is a deficient number, since it is larger than the sum of its proper divisors (2151085321561).

101101010111111 is an equidigital number, since it uses as much as digits as its factorization.

101101010111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151085321560.

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

Adding to 101101010111111 its reverse (111111010101101), we get a palindrome (212212020212212).

The spelling of 101101010111111 in words is "one hundred one trillion, one hundred one billion, ten million, one hundred eleven thousand, one hundred eleven".