11020221011111 has 16 divisors (see below), whose sum is σ = 11934814116960. Its totient is φ = 10115188285440.

The previous prime is 11020221011101. The next prime is 11020221011113. The reversal of 11020221011111 is 11111012202011.

11020221011111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020221011111 is a prime.

It is a super-2 number, since 2×11020221011111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020221011113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52767551 + ... + 52975983.

It is an arithmetic number, because the mean of its divisors is an integer number (745925882310).

Almost surely, 2^{11020221011111} is an apocalyptic number.

11020221011111 is a deficient number, since it is larger than the sum of its proper divisors (914593105849).

11020221011111 is a wasteful number, since it uses less digits than its factorization.

11020221011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231346.

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

Adding to 11020221011111 its reverse (11111012202011), we get a palindrome (22131233213122).

The spelling of 11020221011111 in words is "eleven trillion, twenty billion, two hundred twenty-one million, eleven thousand, one hundred eleven".