121020202200005 has 4 divisors (see below), whose sum is σ = 145224242640012. Its totient is φ = 96816161760000.

The previous prime is 121020202199957. The next prime is 121020202200017. The reversal of 121020202200005 is 500002202020121.

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 30039146716804 + 90981055483201 = 5480798^2 + 9538399^2 .

It is not a de Polignac number, because 121020202200005 - 2¹² = 121020202195909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12102020219996 + ... + 12102020220005.

It is an arithmetic number, because the mean of its divisors is an integer number (36306060660003).

Almost surely, 2^{121020202200005} is an apocalyptic number.

It is an amenable number.

121020202200005 is a deficient number, since it is larger than the sum of its proper divisors (24204040440007).

121020202200005 is an equidigital number, since it uses as much as digits as its factorization.

121020202200005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24204040440006.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 121020202200005 its reverse (500002202020121), we get a palindrome (621022404220126).

The spelling of 121020202200005 in words is "one hundred twenty-one trillion, twenty billion, two hundred two million, two hundred thousand, five".