11110202021111 has 4 divisors (see below), whose sum is σ = 11111953596432. Its totient is φ = 11108450445792.

The previous prime is 11110202021089. The next prime is 11110202021117. The reversal of 11110202021111 is 11112020201111.

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 11110202021111 - 2⁶ = 11110202021047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110202021117) 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, 875778146 + ... + 875790831.

It is an arithmetic number, because the mean of its divisors is an integer number (2777988399108).

Almost surely, 2^{11110202021111} is an apocalyptic number.

11110202021111 is a deficient number, since it is larger than the sum of its proper divisors (1751575321).

11110202021111 is an equidigital number, since it uses as much as digits as its factorization.

11110202021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751575320.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11110202021111 its reverse (11112020201111), we get a palindrome (22222222222222).

The spelling of 11110202021111 in words is "eleven trillion, one hundred ten billion, two hundred two million, twenty-one thousand, one hundred eleven".