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101220107 is a prime number
BaseRepresentation
bin1100000100001…
…11111100001011
321001110111212212
412002013330023
5201403020412
614013255335
72336233232
oct602077413
9231414785
10101220107
115215518a
1229a9454b
1317c7cc71
14d62bb19
158d46222
hex6087f0b

101220107 has 2 divisors, whose sum is σ = 101220108. Its totient is φ = 101220106.

The previous prime is 101220083. The next prime is 101220113. The reversal of 101220107 is 701022101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101220107 - 26 = 101220043 is a prime.

It is a super-2 number, since 2×1012201072 = 20491020122182898, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 101220091 and 101220100.

It is not a weakly prime, because it can be changed into another prime (101220137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610053 + 50610054.

It is an arithmetic number, because the mean of its divisors is an integer number (50610054).

Almost surely, 2101220107 is an apocalyptic number.

101220107 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220107 is an equidigital number, since it uses as much as digits as its factorization.

101220107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 101220107 is about 10060.8203939838. The cubic root of 101220107 is about 466.0390024887.

Adding to 101220107 its reverse (701022101), we get a palindrome (802242208).

The spelling of 101220107 in words is "one hundred one million, two hundred twenty thousand, one hundred seven".