11021011110 has 24 divisors (see below), whose sum is σ = 28654629120. Its totient is φ = 2938936272.

The previous prime is 11021011103. The next prime is 11021011129. The reversal of 11021011110 is 1111012011.

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

It is a junction number, because it is equal to n+sod(n) for n = 11021011092 and 11021011101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61227750 + ... + 61227929.

It is an arithmetic number, because the mean of its divisors is an integer number (1193942880).

Almost surely, 2^11021011110 is an apocalyptic number.

11021011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021011110 is an abundant number, since it is smaller than the sum of its proper divisors (17633618010).

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

11021011110 is a wasteful number, since it uses less digits than its factorization.

11021011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122455692 (or 122455689 counting only the distinct ones).

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

Adding to 11021011110 its reverse (1111012011), we get a palindrome (12132023121).

Subtracting from 11021011110 its reverse (1111012011), we obtain a palindrome (9909999099).

The spelling of 11021011110 in words is "eleven billion, twenty-one million, eleven thousand, one hundred ten".