Search a number
-
+
2201021128907 is a prime number
BaseRepresentation
bin100000000001110111000…
…101010010000011001011
321210102012221120020222122
4200001313011102003023
5242030142402111112
64403045105241455
7315006232623206
oct40016705220313
97712187506878
102201021128907
117794a2057277
122b66a563328b
1312c72b2aa923
147875c41c93d
153c3c0e08872
hex200771520cb

2201021128907 has 2 divisors, whose sum is σ = 2201021128908. Its totient is φ = 2201021128906.

The previous prime is 2201021128849. The next prime is 2201021128919. The reversal of 2201021128907 is 7098211201022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2201021128907 - 26 = 2201021128843 is a prime.

It is a super-2 number, since 2×22010211289072 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2201021128927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100510564453 + 1100510564454.

It is an arithmetic number, because the mean of its divisors is an integer number (1100510564454).

Almost surely, 22201021128907 is an apocalyptic number.

2201021128907 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201021128907 is an equidigital number, since it uses as much as digits as its factorization.

2201021128907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

Adding to 2201021128907 its reverse (7098211201022), we get a palindrome (9299232329929).

The spelling of 2201021128907 in words is "two trillion, two hundred one billion, twenty-one million, one hundred twenty-eight thousand, nine hundred seven".