Search a number
-
+
2011221119 is a prime number
BaseRepresentation
bin111011111100000…
…1100110001111111
312012011110121201002
41313320030301333
513104333033434
6531323240515
7100561045265
oct16770146177
95164417632
102011221119
11942311216
1248167913b
132608a598b
1415117a435
15bb87c57e
hex77e0cc7f

2011221119 has 2 divisors, whose sum is σ = 2011221120. Its totient is φ = 2011221118.

The previous prime is 2011221073. The next prime is 2011221127. The reversal of 2011221119 is 9111221102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011221119 - 216 = 2011155583 is a prime.

It is a super-2 number, since 2×20112211192 = 8090020779023224322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2011221119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011221169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005610559 + 1005610560.

It is an arithmetic number, because the mean of its divisors is an integer number (1005610560).

Almost surely, 22011221119 is an apocalyptic number.

2011221119 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011221119 is an equidigital number, since it uses as much as digits as its factorization.

2011221119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 2011221119 is about 44846.6399967712. The cubic root of 2011221119 is about 1262.2729442211.

The spelling of 2011221119 in words is "two billion, eleven million, two hundred twenty-one thousand, one hundred nineteen".