11020110111211 has 4 divisors (see below), whose sum is σ = 11020891305592. Its totient is φ = 11019328916832.

The previous prime is 11020110111191. The next prime is 11020110111217. The reversal of 11020110111211 is 11211101102011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11020110111211 - 2¹⁹ = 11020109586923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020110111191 and 11020110111200.

It is not an unprimeable number, because it can be changed into a prime (11020110111217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390576030 + ... + 390604243.

It is an arithmetic number, because the mean of its divisors is an integer number (2755222826398).

Almost surely, 2^{11020110111211} is an apocalyptic number.

11020110111211 is a deficient number, since it is larger than the sum of its proper divisors (781194381).

11020110111211 is an equidigital number, since it uses as much as digits as its factorization.

11020110111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781194380.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11020110111211 its reverse (11211101102011), we get a palindrome (22231211213222).

The spelling of 11020110111211 in words is "eleven trillion, twenty billion, one hundred ten million, one hundred eleven thousand, two hundred eleven".