11020111110 has 96 divisors (see below), whose sum is σ = 30632696640. Its totient is φ = 2738939904.

The previous prime is 11020111087. The next prime is 11020111129. The reversal of 11020111110 is 1111102011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11020111092 and 11020111101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122626 + ... + 192554.

It is an arithmetic number, because the mean of its divisors is an integer number (319090590).

Almost surely, 2^11020111110 is an apocalyptic number.

11020111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020111110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15316348320).

11020111110 is an abundant number, since it is smaller than the sum of its proper divisors (19612585530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11020111110 is a wasteful number, since it uses less digits than its factorization.

11020111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70062 (or 70059 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11020111110 its reverse (1111102011), we get a palindrome (12131213121).

Subtracting from 11020111110 its reverse (1111102011), we obtain a palindrome (9909009099).

The spelling of 11020111110 in words is "eleven billion, twenty million, one hundred eleven thousand, one hundred ten".