20110044121 has 16 divisors (see below), whose sum is σ = 20776307328. Its totient is φ = 19452700800.

The previous prime is 20110044079. The next prime is 20110044139. The reversal of 20110044121 is 12144001102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20110044121 - 2¹⁷ = 20109913049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110044095 and 20110044104.

It is not an unprimeable number, because it can be changed into a prime (20110044421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3234706 + ... + 3240916.

It is an arithmetic number, because the mean of its divisors is an integer number (1298519208).

Almost surely, 2^20110044121 is an apocalyptic number.

It is an amenable number.

20110044121 is a deficient number, since it is larger than the sum of its proper divisors (666263207).

20110044121 is a wasteful number, since it uses less digits than its factorization.

20110044121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20110044121 its reverse (12144001102), we get a palindrome (32254045223).

The spelling of 20110044121 in words is "twenty billion, one hundred ten million, forty-four thousand, one hundred twenty-one".