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101220011147 is a prime number
BaseRepresentation
bin101111001000100101…
…1101100110010001011
3100200021012022022220202
41132101023230302023
53124244310324042
6114255544042415
710212216620213
oct1362113546213
9320235268822
10101220011147
1139a2206a582
121774a46340b
1397114bc428
144c830bd243
1529763c9632
hex17912ecc8b

101220011147 has 2 divisors, whose sum is σ = 101220011148. Its totient is φ = 101220011146.

The previous prime is 101220011129. The next prime is 101220011237. The reversal of 101220011147 is 741110022101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101220011147 - 234 = 84040141963 is a prime.

It is not a weakly prime, because it can be changed into another prime (101220011107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610005573 + 50610005574.

It is an arithmetic number, because the mean of its divisors is an integer number (50610005574).

Almost surely, 2101220011147 is an apocalyptic number.

101220011147 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220011147 is an equidigital number, since it uses as much as digits as its factorization.

101220011147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 101220011147 its reverse (741110022101), we get a palindrome (842330033248).

The spelling of 101220011147 in words is "one hundred one billion, two hundred twenty million, eleven thousand, one hundred forty-seven".