11021100222111 has 8 divisors (see below), whose sum is σ = 16794057481344. Its totient is φ = 6297771555480.

The previous prime is 11021100222107. The next prime is 11021100222133. The reversal of 11021100222111 is 11122200112011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11021100222111 - 2² = 11021100222107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021100222101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262407148125 + ... + 262407148166.

It is an arithmetic number, because the mean of its divisors is an integer number (2099257185168).

Almost surely, 2^{11021100222111} is an apocalyptic number.

11021100222111 is a deficient number, since it is larger than the sum of its proper divisors (5772957259233).

11021100222111 is an equidigital number, since it uses as much as digits as its factorization.

11021100222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524814296301.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11021100222111 its reverse (11122200112011), we get a palindrome (22143300334122).

The spelling of 11021100222111 in words is "eleven trillion, twenty-one billion, one hundred million, two hundred twenty-two thousand, one hundred eleven".