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12201100102201 is a prime number
BaseRepresentation
bin1011000110001100101000…
…1111001100101000111001
31121012102011122101202210211
42301203022033030220321
53044400323111232301
641541035155111121
72366333430456403
oct261431217145071
947172148352724
1012201100102201
113984503a2007a
1214507a38a24a1
136a67358c70ba
14302771c27b73
151625a2c4b051
hexb18ca3cca39

12201100102201 has 2 divisors, whose sum is σ = 12201100102202. Its totient is φ = 12201100102200.

The previous prime is 12201100102123. The next prime is 12201100102231. The reversal of 12201100102201 is 10220100110221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12129930668025 + 71169434176 = 3482805^2 + 266776^2 .

It is an emirp because it is prime and its reverse (10220100110221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12201100102201 - 211 = 12201100100153 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201100102231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100550051100 + 6100550051101.

It is an arithmetic number, because the mean of its divisors is an integer number (6100550051101).

Almost surely, 212201100102201 is an apocalyptic number.

It is an amenable number.

12201100102201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201100102201 is an equidigital number, since it uses as much as digits as its factorization.

12201100102201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12201100102201 its reverse (10220100110221), we get a palindrome (22421200212422).

The spelling of 12201100102201 in words is "twelve trillion, two hundred one billion, one hundred million, one hundred two thousand, two hundred one".