Search a number
-
+
2221200023201 = 19116905264379
BaseRepresentation
bin100000010100101001110…
…101101001111010100001
321212100022020201022001222
4200110221311221322201
5242343004201220301
64420223305104425
7316322256451625
oct40245165517241
97770266638058
102221200023201
11787007563215
122ba597488115
131315c5a60073
1479714391185
153cba271031b
hex20529d69ea1

2221200023201 has 4 divisors (see below), whose sum is σ = 2338105287600. Its totient is φ = 2104294758804.

The previous prime is 2221200023197. The next prime is 2221200023213. The reversal of 2221200023201 is 1023200021222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2221200023201 - 22 = 2221200023197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221200023201.

It is not an unprimeable number, because it can be changed into a prime (2221200023291) 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 3 ways as a sum of consecutive naturals, for example, 58452632171 + ... + 58452632208.

It is an arithmetic number, because the mean of its divisors is an integer number (584526321900).

Almost surely, 22221200023201 is an apocalyptic number.

It is an amenable number.

2221200023201 is a deficient number, since it is larger than the sum of its proper divisors (116905264399).

2221200023201 is a wasteful number, since it uses less digits than its factorization.

2221200023201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116905264398.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2221200023201 its reverse (1023200021222), we get a palindrome (3244400044423).

The spelling of 2221200023201 in words is "two trillion, two hundred twenty-one billion, two hundred million, twenty-three thousand, two hundred one".

Divisors: 1 19 116905264379 2221200023201