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201222122220001 = 1952320249785873
BaseRepresentation
bin101101110000001010101101…
…000111011010100111100001
3222101110122110200012101100101
4231300022231013122213201
5202333310401242020001
61551544100010022401
760245550525635011
oct5560125507324741
9871418420171311
10201222122220001
115912a906163793
121a69a241717a01
13883821ab1c09c
1437992ba225c41
15183e3b0e9ba01
hexb702ad1da9e1

201222122220001 has 8 divisors (see below), whose sum is σ = 212217755959520. Its totient is φ = 190266988053312.

The previous prime is 201222122219999. The next prime is 201222122220011. The reversal of 201222122220001 is 100022221222102.

201222122220001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201222122220001 - 21 = 201222122219999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201222122220011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10124883000 + ... + 10124902873.

It is an arithmetic number, because the mean of its divisors is an integer number (26527219494940).

Almost surely, 2201222122220001 is an apocalyptic number.

It is an amenable number.

201222122220001 is a deficient number, since it is larger than the sum of its proper divisors (10995633739519).

201222122220001 is a wasteful number, since it uses less digits than its factorization.

201222122220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20249786415.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201222122220001 its reverse (100022221222102), we get a palindrome (301244343442103).

The spelling of 201222122220001 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, one".

Divisors: 1 19 523 9937 20249785873 384745931587 10590638011579 201222122220001