11011001101012 has 24 divisors (see below), whose sum is σ = 21022934560992. Its totient is φ = 5004540391200.

The previous prime is 11011001101007. The next prime is 11011001101013. The reversal of 11011001101012 is 21010110011011.

It is a self number, because there is not a number n which added to its sum of digits gives 11011001101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011001101013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11018439 + ... + 11976142.

It is an arithmetic number, because the mean of its divisors is an integer number (875955606708).

Almost surely, 2^{11011001101012} is an apocalyptic number.

It is an amenable number.

11011001101012 is a deficient number, since it is larger than the sum of its proper divisors (10011933459980).

11011001101012 is a wasteful number, since it uses less digits than its factorization.

11011001101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23005479 (or 23005477 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11011001101012 its reverse (21010110011011), we get a palindrome (32021111112023).

The spelling of 11011001101012 in words is "eleven trillion, eleven billion, one million, one hundred one thousand, twelve".