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20221200210001 = 75297545354519
BaseRepresentation
bin1001001100100000111010…
…11101001001100001010001
32122121010110012200110000011
410212100131131021201101
510122301004223210001
6111001254030154521
74154635122544210
oct446203535114121
978533405613004
1020221200210001
11649684339784a
122327007052a41
13b38b0a84676b
144dc9d5bab077
15250eee603d51
hex12641d749851

20221200210001 has 8 divisors (see below), whose sum is σ = 23114305975680. Its totient is φ = 17329185163968.

The previous prime is 20221200209971. The next prime is 20221200210047. The reversal of 20221200210001 is 10001200212202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20221200210001 - 213 = 20221200201809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221200210091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272640181 + ... + 272714338.

It is an arithmetic number, because the mean of its divisors is an integer number (2889288246960).

Almost surely, 220221200210001 is an apocalyptic number.

It is an amenable number.

20221200210001 is a deficient number, since it is larger than the sum of its proper divisors (2893105765679).

20221200210001 is an equidigital number, since it uses as much as digits as its factorization.

20221200210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545359823.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20221200210001 its reverse (10001200212202), we get a palindrome (30222400422203).

The spelling of 20221200210001 in words is "twenty trillion, two hundred twenty-one billion, two hundred million, two hundred ten thousand, one".

Divisors: 1 7 5297 37079 545354519 3817481633 2888742887143 20221200210001