11021102221111 has 8 divisors (see below), whose sum is σ = 11046686050400. Its totient is φ = 10995520569120.

The previous prime is 11021102221081. The next prime is 11021102221121. The reversal of 11021102221111 is 11112220112011.

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

It is a cyclic number.

It is not a de Polignac number, because 11021102221111 - 2²⁹ = 11020565350199 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 (11021102221121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9819745 + ... + 10884373.

It is an arithmetic number, because the mean of its divisors is an integer number (1380835756300).

Almost surely, 2^{11021102221111} is an apocalyptic number.

11021102221111 is a deficient number, since it is larger than the sum of its proper divisors (25583829289).

11021102221111 is a wasteful number, since it uses less digits than its factorization.

11021102221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088649.

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

Adding to 11021102221111 its reverse (11112220112011), we get a palindrome (22133322333122).

The spelling of 11021102221111 in words is "eleven trillion, twenty-one billion, one hundred two million, two hundred twenty-one thousand, one hundred eleven".