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20220012211001 = 40150423970601
BaseRepresentation
bin1001001100011110101101…
…01001010010101100111001
32122121000101102020211202012
410212033112221102230321
510122241041111223001
6111000540111215305
74154563515661241
oct446172651225471
978530342224665
1020220012211001
116496293838599
122326935217535
13b3897b694885
144dc9220c2b21
15250e801892bb
hex1263d6a52b39

20220012211001 has 4 divisors (see below), whose sum is σ = 20270436182004. Its totient is φ = 20169588240000.

The previous prime is 20220012210997. The next prime is 20220012211013. The reversal of 20220012211001 is 10011221002202.

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 19013968971001 + 1206043240000 = 4360501^2 + 1098200^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220012211001 - 22 = 20220012210997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220012210001) by changing a digit.

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, 25211984900 + ... + 25211985701.

It is an arithmetic number, because the mean of its divisors is an integer number (5067609045501).

Almost surely, 220220012211001 is an apocalyptic number.

It is an amenable number.

20220012211001 is a deficient number, since it is larger than the sum of its proper divisors (50423971003).

20220012211001 is an equidigital number, since it uses as much as digits as its factorization.

20220012211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50423971002.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20220012211001 its reverse (10011221002202), we get a palindrome (30231233213203).

The spelling of 20220012211001 in words is "twenty trillion, two hundred twenty billion, twelve million, two hundred eleven thousand, one".

Divisors: 1 401 50423970601 20220012211001