11110122213021 has 12 divisors (see below), whose sum is σ = 17282412331548. Its totient is φ = 6836998284864.

The previous prime is 11110122212983. The next prime is 11110122213031. The reversal of 11110122213021 is 12031222101111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6656988252996 + 4453133960025 = 2580114^2 + 2110245^2 .

It is not a de Polignac number, because 11110122213021 - 2⁶ = 11110122212957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11110122212985 and 11110122213003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110122213031) 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 11 ways as a sum of consecutive naturals, for example, 47479154640 + ... + 47479154873.

It is an arithmetic number, because the mean of its divisors is an integer number (1440201027629).

Almost surely, 2^{11110122213021} is an apocalyptic number.

It is an amenable number.

11110122213021 is a deficient number, since it is larger than the sum of its proper divisors (6172290118527).

11110122213021 is a wasteful number, since it uses less digits than its factorization.

11110122213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94958309532 (or 94958309529 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11110122213021 its reverse (12031222101111), we get a palindrome (23141344314132).

The spelling of 11110122213021 in words is "eleven trillion, one hundred ten billion, one hundred twenty-two million, two hundred thirteen thousand, twenty-one".