11010111012 has 18 divisors (see below), whose sum is σ = 27831114038. Its totient is φ = 3670036992.

The previous prime is 11010110989. The next prime is 11010111023. The reversal of 11010111012 is 21011101011.

It can be written as a sum of positive squares in only one way, i.e., 10829316096 + 180794916 = 104064^2 + 13446^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 = 11010110985 and 11010111003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152918173 + ... + 152918244.

Almost surely, 2^11010111012 is an apocalyptic number.

11010111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11010111012 is an abundant number, since it is smaller than the sum of its proper divisors (16821003026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11010111012 is a wasteful number, since it uses less digits than its factorization.

11010111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305836427 (or 305836422 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11010111012 its reverse (21011101011), we get a palindrome (32021212023).

The spelling of 11010111012 in words is "eleven billion, ten million, one hundred eleven thousand, twelve".