11110122222021 has 40 divisors (see below), whose sum is σ = 17032826138328. Its totient is φ = 7212737664000.

The previous prime is 11110122222007. The next prime is 11110122222077. The reversal of 11110122222021 is 12022222101111.

11110122222021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 828409428900 + 10281712793121 = 910170^2 + 3206511^2 .

It is not a de Polignac number, because 11110122222021 - 2⁷ = 11110122221893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11110122221985 and 11110122222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110122223021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1295220 + ... + 4888541.

Almost surely, 2^{11110122222021} is an apocalyptic number.

It is an amenable number.

11110122222021 is a deficient number, since it is larger than the sum of its proper divisors (5922703916307).

11110122222021 is an equidigital number, since it uses as much as digits as its factorization.

11110122222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184355 (or 6184346 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11110122222021 its reverse (12022222101111), we get a palindrome (23132344323132).

The spelling of 11110122222021 in words is "eleven trillion, one hundred ten billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-one".