110020021011 has 8 divisors (see below), whose sum is σ = 162992623760. Its totient is φ = 73346680656.

The previous prime is 110020021003. The next prime is 110020021049. The reversal of 110020021011 is 110120020011.

It is a happy number.

It is not a de Polignac number, because 110020021011 - 2³ = 110020021003 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110020020984 and 110020021002.

It is not an unprimeable number, because it can be changed into a prime (110020021051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037407770 + ... + 2037407823.

It is an arithmetic number, because the mean of its divisors is an integer number (20374077970).

Almost surely, 2^110020021011 is an apocalyptic number.

110020021011 is a deficient number, since it is larger than the sum of its proper divisors (52972602749).

110020021011 is an equidigital number, since it uses as much as digits as its factorization.

110020021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074815602 (or 4074815596 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110020021011 its reverse (110120020011), we get a palindrome (220140041022).

It can be divided in two parts, 1100200 and 21011, that added together give a palindrome (1121211).

The spelling of 110020021011 in words is "one hundred ten billion, twenty million, twenty-one thousand, eleven".