11010001221112 has 8 divisors (see below), whose sum is σ = 20643752289600. Its totient is φ = 5505000610552.

The previous prime is 11010001221097. The next prime is 11010001221113. The reversal of 11010001221112 is 21112210001011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11010001221112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11010001221092 and 11010001221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010001221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688125076312 + ... + 688125076327.

It is an arithmetic number, because the mean of its divisors is an integer number (2580469036200).

Almost surely, 2^{11010001221112} is an apocalyptic number.

It is an amenable number.

11010001221112 is a deficient number, since it is larger than the sum of its proper divisors (9633751068488).

11010001221112 is a wasteful number, since it uses less digits than its factorization.

11010001221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376250152645 (or 1376250152641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11010001221112 its reverse (21112210001011), we get a palindrome (32122211222123).

The spelling of 11010001221112 in words is "eleven trillion, ten billion, one million, two hundred twenty-one thousand, one hundred twelve".