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1220200105001 is a prime number
BaseRepresentation
bin10001110000011001100…
…110000000010000101001
311022122112211202202200112
4101300121212000100221
5124442432211330001
62332315134544105
7154104460522313
oct21603146002051
94278484682615
101220200105001
1143053616aa49
12178596668035
138b0ab585667
14430b521c7b3
1521b182d1cbb
hex11c19980429

1220200105001 has 2 divisors, whose sum is σ = 1220200105002. Its totient is φ = 1220200105000.

The previous prime is 1220200104989. The next prime is 1220200105013. The reversal of 1220200105001 is 1005010020221.

It is a balanced prime because it is at equal distance from previous prime (1220200104989) and next prime (1220200105013).

It can be written as a sum of positive squares in only one way, i.e., 1060240902400 + 159959202601 = 1029680^2 + 399949^2 .

It is an emirp because it is prime and its reverse (1005010020221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1220200105001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220200105081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610100052500 + 610100052501.

It is an arithmetic number, because the mean of its divisors is an integer number (610100052501).

Almost surely, 21220200105001 is an apocalyptic number.

It is an amenable number.

1220200105001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220200105001 is an equidigital number, since it uses as much as digits as its factorization.

1220200105001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 1220200105001 its reverse (1005010020221), we get a palindrome (2225210125222).

The spelling of 1220200105001 in words is "one trillion, two hundred twenty billion, two hundred million, one hundred five thousand, one".