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10111202197 is a prime number
BaseRepresentation
bin10010110101010110…
…01011001110010101
3222002200000021212021
421122223023032111
5131201431432242
64351154053141
7505364541415
oct113253131625
928080007767
1010111202197
114319567958
121b6227a1b1
13c51a53aa5
146bcc2c645
153e2a26b67
hex25aacb395

10111202197 has 2 divisors, whose sum is σ = 10111202198. Its totient is φ = 10111202196.

The previous prime is 10111202161. The next prime is 10111202221. The reversal of 10111202197 is 79120211101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9825963876 + 285238321 = 99126^2 + 16889^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111202197 - 219 = 10110677909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111202107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055601098 + 5055601099.

It is an arithmetic number, because the mean of its divisors is an integer number (5055601099).

Almost surely, 210111202197 is an apocalyptic number.

It is an amenable number.

10111202197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111202197 is an equidigital number, since it uses as much as digits as its factorization.

10111202197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 10111202197 its reverse (79120211101), we get a palindrome (89231413298).

The spelling of 10111202197 in words is "ten billion, one hundred eleven million, two hundred two thousand, one hundred ninety-seven".