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122222002102201 = 317385558366253
BaseRepresentation
bin11011110010100100000111…
…000001001101111110111001
3121000202022100110202011120001
4123302210013001031332321
5112004441130014232301
61111540002421233001
734513151102341621
oct3362440701157671
9530668313664501
10122222002102201
1135a42072958231
121185b539262761
1353276403b9ca1
14222780db6b881
15e1e41c49dc01
hex6f290704dfb9

122222002102201 has 4 divisors (see below), whose sum is σ = 122607560468772. Its totient is φ = 121836443735632.

The previous prime is 122222002102171. The next prime is 122222002102271. The reversal of 122222002102201 is 102201200222221.

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 3963423997225 + 118258578104976 = 1990835^2 + 10874676^2 .

It is a cyclic number.

It is not a de Polignac number, because 122222002102201 - 27 = 122222002102073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222002102271) 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, 192779182810 + ... + 192779183443.

It is an arithmetic number, because the mean of its divisors is an integer number (30651890117193).

Almost surely, 2122222002102201 is an apocalyptic number.

It is an amenable number.

122222002102201 is a deficient number, since it is larger than the sum of its proper divisors (385558366571).

122222002102201 is an equidigital number, since it uses as much as digits as its factorization.

122222002102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385558366570.

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

Adding to 122222002102201 its reverse (102201200222221), we get a palindrome (224423202324422).

The spelling of 122222002102201 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two million, one hundred two thousand, two hundred one".

Divisors: 1 317 385558366253 122222002102201