11010101001012 has 30 divisors (see below), whose sum is σ = 28782578852258. Its totient is φ = 3670033666896.

The previous prime is 11010101000971. The next prime is 11010101001049. The reversal of 11010101001012 is 21010010101011.

It can be written as a sum of positive squares in only one way, i.e., 8231998769316 + 2778102231696 = 2869146^2 + 1666764^2 .

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 = 11010101000985 and 11010101001003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16990896283 + ... + 16990896930.

Almost surely, 2^{11010101001012} is an apocalyptic number.

11010101001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11010101001012 is an abundant number, since it is smaller than the sum of its proper divisors (17772477851246).

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

11010101001012 is a wasteful number, since it uses less digits than its factorization.

11010101001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33981793229 (or 33981793218 counting only the distinct ones).

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

Adding to 11010101001012 its reverse (21010010101011), we get a palindrome (32020111102023).

Subtracting 11010101001012 from its reverse (21010010101011), we obtain a palindrome (9999909099999).

The spelling of 11010101001012 in words is "eleven trillion, ten billion, one hundred one million, one thousand, twelve".