11010101012 has 24 divisors (see below), whose sum is σ = 20312690496. Its totient is φ = 5211410688.

The previous prime is 11010100991. The next prime is 11010101041. The reversal of 11010101012 is 21010101011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607958 + ... + 625805.

It is an arithmetic number, because the mean of its divisors is an integer number (846362104).

Almost surely, 2^11010101012 is an apocalyptic number.

It is an amenable number.

11010101012 is a deficient number, since it is larger than the sum of its proper divisors (9302589484).

11010101012 is a wasteful number, since it uses less digits than its factorization.

11010101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233887 (or 1233885 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11010101012 its reverse (21010101011), we get a palindrome (32020202023).

Subtracting 11010101012 from its reverse (21010101011), we obtain a palindrome (9999999999).

The spelling of 11010101012 in words is "eleven billion, ten million, one hundred one thousand, twelve".