Search a number
-
+
2202100212221 = 71324198903431
BaseRepresentation
bin100000000010110111011…
…001101010000111111101
321210112000011001101000022
4200002313121222013331
5242034400123242341
64403344133541525
7315045044651540
oct40026731520775
97715004041008
102202100212221
117799a6185568
122b6946aa48a5
1312c870a16b70
1478821874857
153c435a0be4b
hex200b766a1fd

2202100212221 has 8 divisors (see below), whose sum is σ = 2710277184384. Its totient is φ = 1742321046960.

The previous prime is 2202100212209. The next prime is 2202100212259. The reversal of 2202100212221 is 1222120012022.

It is a happy number.

2202100212221 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 not a de Polignac number, because 2202100212221 - 222 = 2202096017917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2202100212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202100214221) 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, 12099451625 + ... + 12099451806.

It is an arithmetic number, because the mean of its divisors is an integer number (338784648048).

Almost surely, 22202100212221 is an apocalyptic number.

It is an amenable number.

2202100212221 is a deficient number, since it is larger than the sum of its proper divisors (508176972163).

2202100212221 is a wasteful number, since it uses less digits than its factorization.

2202100212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24198903451.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2202100212221 its reverse (1222120012022), we get a palindrome (3424220224243).

The spelling of 2202100212221 in words is "two trillion, two hundred two billion, one hundred million, two hundred twelve thousand, two hundred twenty-one".

Divisors: 1 7 13 91 24198903431 169392324017 314585744603 2202100212221