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10201222211101 = 12754979978849
BaseRepresentation
bin1001010001110010100000…
…1110011110011000011101
31100010020010201022200202121
42110130220032132120131
52314114100341223401
633410213215222541
72102004540045055
oct224345016363035
940106121280677
1010201222211101
11328334aaa1539
121189094817a51
1358cc8174781c
14273a55682565
1512a55583dca1
hex9472839e61d

10201222211101 has 4 divisors (see below), whose sum is σ = 10201302317500. Its totient is φ = 10201142104704.

The previous prime is 10201222211087. The next prime is 10201222211171. The reversal of 10201222211101 is 10111222210201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10190466447001 + 10755764100 = 3192251^2 + 103710^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201222211101 - 25 = 10201222211069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201222211171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39861876 + ... + 40116973.

It is an arithmetic number, because the mean of its divisors is an integer number (2550325579375).

Almost surely, 210201222211101 is an apocalyptic number.

It is an amenable number.

10201222211101 is a deficient number, since it is larger than the sum of its proper divisors (80106399).

10201222211101 is an equidigital number, since it uses as much as digits as its factorization.

10201222211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80106398.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10201222211101 its reverse (10111222210201), we get a palindrome (20312444421302).

The spelling of 10201222211101 in words is "ten trillion, two hundred one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred one".

Divisors: 1 127549 79978849 10201222211101