110012002222021 has 4 divisors (see below), whose sum is σ = 110017366326700. Its totient is φ = 110006638117344.

The previous prime is 110012002222007. The next prime is 110012002222097. The reversal of 110012002222021 is 120222200210011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60588149577921 + 49423852644100 = 7783839^2 + 7030210^2 .

It is a cyclic number.

It is not a de Polignac number, because 110012002222021 - 2²¹ = 110012000124869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110012002221986 and 110012002222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110012009222021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2682021576 + ... + 2682062593.

It is an arithmetic number, because the mean of its divisors is an integer number (27504341581675).

Almost surely, 2^{110012002222021} is an apocalyptic number.

It is an amenable number.

110012002222021 is a deficient number, since it is larger than the sum of its proper divisors (5364104679).

110012002222021 is an equidigital number, since it uses as much as digits as its factorization.

110012002222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364104678.

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

Adding to 110012002222021 its reverse (120222200210011), we get a palindrome (230234202432032).

The spelling of 110012002222021 in words is "one hundred ten trillion, twelve billion, two million, two hundred twenty-two thousand, twenty-one".