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1220107099 is a prime number
BaseRepresentation
bin100100010111001…
…0101101101011011
310011000211212021211
41020232111231123
54444321411344
6321023043551
742143511361
oct11056255533
93130755254
101220107099
1157679a582
122a07405b7
13165a14583
14b8085631
15721ad334
hex48b95b5b

1220107099 has 2 divisors, whose sum is σ = 1220107100. Its totient is φ = 1220107098.

The previous prime is 1220107043. The next prime is 1220107159. The reversal of 1220107099 is 9907010221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220107099 - 27 = 1220106971 is a prime.

It is a super-2 number, since 2×12201070992 = 2977322666060391602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220107099.

It is not a weakly prime, because it can be changed into another prime (1220107039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610053549 + 610053550.

It is an arithmetic number, because the mean of its divisors is an integer number (610053550).

Almost surely, 21220107099 is an apocalyptic number.

1220107099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220107099 is an equidigital number, since it uses as much as digits as its factorization.

1220107099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 1220107099 is about 34930.0314772260. The cubic root of 1220107099 is about 1068.5609965743.

The spelling of 1220107099 in words is "one billion, two hundred twenty million, one hundred seven thousand, ninety-nine".