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2101300221001 = 171138741125141
BaseRepresentation
bin11110100100111111010…
…000001101010001001001
321102212211020002021010011
4132210333100031101021
5233411430324033001
64245153552151521
7304546115114242
oct36447720152111
97385736067104
102101300221001
1174017a2151a3
1229b2b52385a1
131231c8558547
14739bc48bcc9
15399d644cd51
hex1e93f40d449

2101300221001 has 16 divisors (see below), whose sum is σ = 2244870278928. Its totient is φ = 1959952691200.

The previous prime is 2101300220963. The next prime is 2101300221017. The reversal of 2101300221001 is 1001220031012.

It can be written as a sum of positive squares in 8 ways, for example, as 225287876025 + 1876012344976 = 474645^2 + 1369676^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101300221001 - 217 = 2101300089929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101300221401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16728891 + ... + 16854031.

It is an arithmetic number, because the mean of its divisors is an integer number (140304392433).

Almost surely, 22101300221001 is an apocalyptic number.

It is an amenable number.

2101300221001 is a deficient number, since it is larger than the sum of its proper divisors (143570057927).

2101300221001 is a wasteful number, since it uses less digits than its factorization.

2101300221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134012.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2101300221001 its reverse (1001220031012), we get a palindrome (3102520252013).

The spelling of 2101300221001 in words is "two trillion, one hundred one billion, three hundred million, two hundred twenty-one thousand, one".

Divisors: 1 17 113 1921 8741 125141 148597 987733 2127397 14140933 16791461 240395861 1093857481 18595577177 123605895353 2101300221001