11110021021111 has 4 divisors (see below), whose sum is σ = 11110048853392. Its totient is φ = 11109993188832.

The previous prime is 11110021021091. The next prime is 11110021021153. The reversal of 11110021021111 is 11112012001111.

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

It is a cyclic number.

It is not a de Polignac number, because 11110021021111 - 2¹⁵ = 11110020988343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110021021091 and 11110021021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110021021711) 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, 13308531 + ... + 14118676.

It is an arithmetic number, because the mean of its divisors is an integer number (2777512213348).

Almost surely, 2^{11110021021111} is an apocalyptic number.

11110021021111 is a deficient number, since it is larger than the sum of its proper divisors (27832281).

11110021021111 is an equidigital number, since it uses as much as digits as its factorization.

11110021021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27832280.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11110021021111 its reverse (11112012001111), we get a palindrome (22222033022222).

The spelling of 11110021021111 in words is "eleven trillion, one hundred ten billion, twenty-one million, twenty-one thousand, one hundred eleven".