11012221001101 has 4 divisors (see below), whose sum is σ = 11017584968572. Its totient is φ = 11006857033632.

The previous prime is 11012221001087. The next prime is 11012221001137. The reversal of 11012221001101 is 10110012221011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2634096540100 + 8378124461001 = 1622990^2 + 2894499^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012221001101 - 2²¹ = 11012218903949 is a prime.

It is a super-2 number, since 2×11012221001101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012221001801) 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 in 3 ways as a sum of consecutive naturals, for example, 2681980656 + ... + 2681984761.

It is an arithmetic number, because the mean of its divisors is an integer number (2754396242143).

Almost surely, 2^{11012221001101} is an apocalyptic number.

It is an amenable number.

11012221001101 is a deficient number, since it is larger than the sum of its proper divisors (5363967471).

11012221001101 is an equidigital number, since it uses as much as digits as its factorization.

11012221001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363967470.

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

Adding to 11012221001101 its reverse (10110012221011), we get a palindrome (21122233222112).

The spelling of 11012221001101 in words is "eleven trillion, twelve billion, two hundred twenty-one million, one thousand, one hundred one".