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2102211020201 = 61154922248209
BaseRepresentation
bin11110100101110101100…
…010101000010110101001
321102222011200220122201212
4132211311202220112221
5233420312010121301
64245424205522505
7304610514561425
oct36456542502651
97388150818655
102102211020201
117405a7353106
1229b50a273435
13123312163496
1473a67419b85
1539a3b3ae4bb
hex1e9758a85a9

2102211020201 has 8 divisors (see below), whose sum is σ = 2138052981000. Its totient is φ = 2066413559040.

The previous prime is 2102211020177. The next prime is 2102211020207. The reversal of 2102211020201 is 1020201122012.

It can be written as a sum of positive squares in 4 ways, for example, as 120633960976 + 1981577059225 = 347324^2 + 1407685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102211020201 - 26 = 2102211020137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102211020207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11029616 + ... + 11218593.

It is an arithmetic number, because the mean of its divisors is an integer number (267256622625).

Almost surely, 22102211020201 is an apocalyptic number.

It is an amenable number.

2102211020201 is a deficient number, since it is larger than the sum of its proper divisors (35841960799).

2102211020201 is a wasteful number, since it uses less digits than its factorization.

2102211020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22249819.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102211020201 its reverse (1020201122012), we get a palindrome (3122412142213).

The spelling of 2102211020201 in words is "two trillion, one hundred two billion, two hundred eleven million, twenty thousand, two hundred one".

Divisors: 1 61 1549 94489 22248209 1357140749 34462475741 2102211020201