11020221110311 has 12 divisors (see below), whose sum is σ = 12973891983192. Its totient is φ = 9332097735408.

The previous prime is 11020221110287. The next prime is 11020221110359. The reversal of 11020221110311 is 11301112202011.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11020221110311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020221110411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1354830100 + ... + 1354838233.

It is an arithmetic number, because the mean of its divisors is an integer number (1081157665266).

Almost surely, 2^{11020221110311} is an apocalyptic number.

11020221110311 is a deficient number, since it is larger than the sum of its proper divisors (1953670872881).

11020221110311 is an equidigital number, since it uses as much as digits as its factorization.

11020221110311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709668430 (or 2709668423 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11020221110311 its reverse (11301112202011), we get a palindrome (22321333312322).

The spelling of 11020221110311 in words is "eleven trillion, twenty billion, two hundred twenty-one million, one hundred ten thousand, three hundred eleven".