11021020222111 has 8 divisors (see below), whose sum is σ = 11953932981984. Its totient is φ = 10119731623680.

The previous prime is 11021020222099. The next prime is 11021020222183. The reversal of 11021020222111 is 11122202012011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021020222111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021020222211) 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, 7906039635 + ... + 7906041028.

It is an arithmetic number, because the mean of its divisors is an integer number (1494241622748).

Almost surely, 2^{11021020222111} is an apocalyptic number.

11021020222111 is a deficient number, since it is larger than the sum of its proper divisors (932912759873).

11021020222111 is a wasteful number, since it uses less digits than its factorization.

11021020222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15812080721.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11021020222111 its reverse (11122202012011), we get a palindrome (22143222234122).

The spelling of 11021020222111 in words is "eleven trillion, twenty-one billion, twenty million, two hundred twenty-two thousand, one hundred eleven".