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2201012111 is a prime number
BaseRepresentation
bin1000001100110000…
…1100011110001111
312200101121000000002
42003030030132033
514001424341421
61002223154515
7105354202634
oct20314143617
95611530002
102201012111
11a2a460a81
12515145a3b
13290cc723c
1416c46218b
15cd36bb0b
hex8330c78f

2201012111 has 2 divisors, whose sum is σ = 2201012112. Its totient is φ = 2201012110.

The previous prime is 2201012087. The next prime is 2201012113. The reversal of 2201012111 is 1112101022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2201012111 is a prime.

It is a Sophie Germain prime.

Together with 2201012113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201012092 and 2201012101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201012113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100506055 + 1100506056.

It is an arithmetic number, because the mean of its divisors is an integer number (1100506056).

Almost surely, 22201012111 is an apocalyptic number.

2201012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201012111 is an equidigital number, since it uses as much as digits as its factorization.

2201012111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2201012111 is about 46914.9454971441. The cubic root of 2201012111 is about 1300.7908621696.

Adding to 2201012111 its reverse (1112101022), we get a palindrome (3313113133).

The spelling of 2201012111 in words is "two billion, two hundred one million, twelve thousand, one hundred eleven".