11110002112021 has 4 divisors (see below), whose sum is σ = 11110035702700. Its totient is φ = 11109968521344.

The previous prime is 11110002112009. The next prime is 11110002112031. The reversal of 11110002112021 is 12021120001111.

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 7124169544996 + 3985832567025 = 2669114^2 + 1996455^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110002112021 - 2²⁹ = 11109465241109 is a prime.

It is a super-2 number, since 2×11110002112021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110002111992 and 11110002112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110002112031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16294236 + ... + 16962373.

It is an arithmetic number, because the mean of its divisors is an integer number (2777508925675).

Almost surely, 2^{11110002112021} is an apocalyptic number.

It is an amenable number.

11110002112021 is a deficient number, since it is larger than the sum of its proper divisors (33590679).

11110002112021 is an equidigital number, since it uses as much as digits as its factorization.

11110002112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33590678.

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

Adding to 11110002112021 its reverse (12021120001111), we get a palindrome (23131122113132).

The spelling of 11110002112021 in words is "eleven trillion, one hundred ten billion, two million, one hundred twelve thousand, twenty-one".