11020221201111 has 8 divisors (see below), whose sum is σ = 15006258657024. Its totient is φ = 7190498939640.

The previous prime is 11020221201089. The next prime is 11020221201127. The reversal of 11020221201111 is 11110212202011.

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 11020221201111 - 2¹¹ = 11020221199063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020221201161) 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, 39078798445 + ... + 39078798726.

It is an arithmetic number, because the mean of its divisors is an integer number (1875782332128).

Almost surely, 2^{11020221201111} is an apocalyptic number.

11020221201111 is a deficient number, since it is larger than the sum of its proper divisors (3986037455913).

11020221201111 is an equidigital number, since it uses as much as digits as its factorization.

11020221201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78157597221.

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

Adding to 11020221201111 its reverse (11110212202011), we get a palindrome (22130433403122).

The spelling of 11020221201111 in words is "eleven trillion, twenty billion, two hundred twenty-one million, two hundred one thousand, one hundred eleven".