1101101010111 has 24 divisors (see below), whose sum is σ = 1649435742864. Its totient is φ = 734045146560.

The previous prime is 1101101010109. The next prime is 1101101010127. The reversal of 1101101010111 is 1110101011011.

It is not a de Polignac number, because 1101101010111 - 2¹ = 1101101010109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1101101010093 and 1101101010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101101010211) 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, 13522941 + ... + 13604121.

It is an arithmetic number, because the mean of its divisors is an integer number (68726489286).

Almost surely, 2^{1101101010111} is an apocalyptic number.

1101101010111 is a deficient number, since it is larger than the sum of its proper divisors (548334732753).

1101101010111 is an frugal number, since it uses more digits than its factorization.

1101101010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137013 (or 137001 counting only the distinct ones).

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

Adding to 1101101010111 its reverse (1110101011011), we get a palindrome (2211202021122).

The spelling of 1101101010111 in words is "one trillion, one hundred one billion, one hundred one million, ten thousand, one hundred eleven".