1011110101011 has 12 divisors (see below), whose sum is σ = 1460669870088. Its totient is φ = 673991476704.

The previous prime is 1011110101009. The next prime is 1011110101019. The reversal of 1011110101011 is 1101010111101.

It is not a de Polignac number, because 1011110101011 - 2¹ = 1011110101009 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 = 1011110100984 and 1011110101002.

It is not an unprimeable number, because it can be changed into a prime (1011110101019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6748785 + ... + 6896978.

It is an arithmetic number, because the mean of its divisors is an integer number (121722489174).

Almost surely, 2^{1011110101011} is an apocalyptic number.

1011110101011 is a deficient number, since it is larger than the sum of its proper divisors (449559769077).

1011110101011 is a wasteful number, since it uses less digits than its factorization.

1011110101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654002 (or 13653999 counting only the distinct ones).

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

Adding to 1011110101011 its reverse (1101010111101), we get a palindrome (2112120212112).

The spelling of 1011110101011 in words is "one trillion, eleven billion, one hundred ten million, one hundred one thousand, eleven".