11020121110 has 16 divisors (see below), whose sum is σ = 20032618032. Its totient is φ = 4364404000.

The previous prime is 11020121059. The next prime is 11020121111. The reversal of 11020121110 is 1112102011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020121111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5454496 + ... + 5456515.

It is an arithmetic number, because the mean of its divisors is an integer number (1252038627).

Almost surely, 2^11020121110 is an apocalyptic number.

11020121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11020121110 is a deficient number, since it is larger than the sum of its proper divisors (9012496922).

11020121110 is a wasteful number, since it uses less digits than its factorization.

11020121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911119.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11020121110 its reverse (1112102011), we get a palindrome (12132223121).

The spelling of 11020121110 in words is "eleven billion, twenty million, one hundred twenty-one thousand, one hundred ten".