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11201101391 is a prime number
BaseRepresentation
bin10100110111010001…
…10011111001001111
31001220121211220111002
422123220303321033
5140414440221031
65051250250515
7544400535164
oct123350637117
931817756432
1011201101391
114828803297
122207286a3b
1310967a905c
1478389c06b
15458564ccb
hex29ba33e4f

11201101391 has 2 divisors, whose sum is σ = 11201101392. Its totient is φ = 11201101390.

The previous prime is 11201101363. The next prime is 11201101447. The reversal of 11201101391 is 19310110211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11201101391 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201101291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600550695 + 5600550696.

It is an arithmetic number, because the mean of its divisors is an integer number (5600550696).

Almost surely, 211201101391 is an apocalyptic number.

11201101391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201101391 is an equidigital number, since it uses as much as digits as its factorization.

11201101391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 11201101391 in words is "eleven billion, two hundred one million, one hundred one thousand, three hundred ninety-one".