11012001222111 has 16 divisors (see below), whose sum is σ = 15024266146560. Its totient is φ = 7170538415040.

The previous prime is 11012001222109. The next prime is 11012001222127. The reversal of 11012001222111 is 11122210021011.

It is a happy number.

It is not a de Polignac number, because 11012001222111 - 2¹ = 11012001222109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012001222181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16082595 + ... + 16753323.

It is an arithmetic number, because the mean of its divisors is an integer number (939016634160).

Almost surely, 2^{11012001222111} is an apocalyptic number.

11012001222111 is a deficient number, since it is larger than the sum of its proper divisors (4012264924449).

11012001222111 is a wasteful number, since it uses less digits than its factorization.

11012001222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798046.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11012001222111 its reverse (11122210021011), we get a palindrome (22134211243122).

The spelling of 11012001222111 in words is "eleven trillion, twelve billion, one million, two hundred twenty-two thousand, one hundred eleven".