110020020121121 has 4 divisors (see below), whose sum is σ = 120021840132144. Its totient is φ = 100018200110100.

The previous prime is 110020020121117. The next prime is 110020020121139. The reversal of 110020020121121 is 121121020020011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110020020121121 - 2² = 110020020121117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110020020121096 and 110020020121105.

It is not an unprimeable number, because it can be changed into a prime (110020020121021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000910005495 + ... + 5000910005516.

It is an arithmetic number, because the mean of its divisors is an integer number (30005460033036).

Almost surely, 2^{110020020121121} is an apocalyptic number.

110020020121121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110020020121121 is a deficient number, since it is larger than the sum of its proper divisors (10001820011023).

110020020121121 is a wasteful number, since it uses less digits than its factorization.

110020020121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001820011022.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110020020121121 its reverse (121121020020011), we get a palindrome (231141040141132).

The spelling of 110020020121121 in words is "one hundred ten trillion, twenty billion, twenty million, one hundred twenty-one thousand, one hundred twenty-one".