11020102210111 has 4 divisors (see below), whose sum is σ = 11020110175000. Its totient is φ = 11020094245224.

The previous prime is 11020102210093. The next prime is 11020102210199. The reversal of 11020102210111 is 11101220102011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11020102210111 - 2¹³ = 11020102201919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020102210091 and 11020102210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020102216111) 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, 1308696 + ... + 4873693.

It is an arithmetic number, because the mean of its divisors is an integer number (2755027543750).

Almost surely, 2^{11020102210111} is an apocalyptic number.

11020102210111 is a deficient number, since it is larger than the sum of its proper divisors (7964889).

11020102210111 is an equidigital number, since it uses as much as digits as its factorization.

11020102210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964888.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11020102210111 its reverse (11101220102011), we get a palindrome (22121322312122).

The spelling of 11020102210111 in words is "eleven trillion, twenty billion, one hundred two million, two hundred ten thousand, one hundred eleven".