Search a number
-
+
202111100297 is a prime number
BaseRepresentation
bin1011110000111011000…
…0101010010110001001
3201022200110200200200022
42330032300222112021
511302410420202142
6232503142150225
720413334002241
oct2741660522611
9638613620608
10202111100297
11787954a1097
1233206722375
131609c7c5652
149ad461ab21
1553cd9806d2
hex2f0ec2a589

202111100297 has 2 divisors, whose sum is σ = 202111100298. Its totient is φ = 202111100296.

The previous prime is 202111100263. The next prime is 202111100339. The reversal of 202111100297 is 792001111202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168070481296 + 34040619001 = 409964^2 + 184501^2 .

It is a cyclic number.

It is not a de Polignac number, because 202111100297 - 28 = 202111100041 is a prime.

It is not a weakly prime, because it can be changed into another prime (202111100227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055550148 + 101055550149.

It is an arithmetic number, because the mean of its divisors is an integer number (101055550149).

Almost surely, 2202111100297 is an apocalyptic number.

It is an amenable number.

202111100297 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111100297 is an equidigital number, since it uses as much as digits as its factorization.

202111100297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 202111100297 its reverse (792001111202), we get a palindrome (994112211499).

The spelling of 202111100297 in words is "two hundred two billion, one hundred eleven million, one hundred thousand, two hundred ninety-seven".