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1101022201 is a prime number
BaseRepresentation
bin100000110100000…
…0100001111111001
32211201202201112001
41001220010033321
54223330202301
6301130421001
736166351156
oct10150041771
92751681461
101101022201
11515553304
12268891761
1314714b036
14a632722d
15669d8c01
hex41a043f9

1101022201 has 2 divisors, whose sum is σ = 1101022202. Its totient is φ = 1101022200.

The previous prime is 1101022199. The next prime is 1101022229. The reversal of 1101022201 is 1022201011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580087225 + 520934976 = 24085^2 + 22824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101022201 - 21 = 1101022199 is a prime.

It is a super-3 number, since 3×11010222013 (a number of 28 digits) contains 333 as substring.

Together with 1101022199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1101022231) 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, 550511100 + 550511101.

It is an arithmetic number, because the mean of its divisors is an integer number (550511101).

Almost surely, 21101022201 is an apocalyptic number.

It is an amenable number.

1101022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101022201 is an equidigital number, since it uses as much as digits as its factorization.

1101022201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1101022201 is about 33181.6545850263. The cubic root of 1101022201 is about 1032.5997733591.

Adding to 1101022201 its reverse (1022201011), we get a palindrome (2123223212).

The spelling of 1101022201 in words is "one billion, one hundred one million, twenty-two thousand, two hundred one".