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101222101211009 is a prime number
BaseRepresentation
bin10111000000111110011011…
…011000101101011110000001
3111021101201221021100111010212
4113000332123120231132001
5101231410330402223014
6555140442533003505
730215025013061642
oct2700763330553601
9437351837314125
10101222101211009
112a286063308209
12b429630a83595
13446328452b6ac
141add2667056c9
15ba804492c23e
hex5c0f9b62d781

101222101211009 has 2 divisors, whose sum is σ = 101222101211010. Its totient is φ = 101222101211008.

The previous prime is 101222101211003. The next prime is 101222101211117. The reversal of 101222101211009 is 900112101222101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101098439971984 + 123661239025 = 10054772^2 + 351655^2 .

It is a cyclic number.

It is not a de Polignac number, because 101222101211009 - 244 = 83629915166593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (101222101211003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611050605504 + 50611050605505.

It is an arithmetic number, because the mean of its divisors is an integer number (50611050605505).

Almost surely, 2101222101211009 is an apocalyptic number.

It is an amenable number.

101222101211009 is a deficient number, since it is larger than the sum of its proper divisors (1).

101222101211009 is an equidigital number, since it uses as much as digits as its factorization.

101222101211009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 101222101211009 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred one million, two hundred eleven thousand, nine".