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2222001210001 = 4505349319717
BaseRepresentation
bin100000010101011001100…
…101111100001010010001
321212102101002021210202011
4200111121211330022101
5242401124302210001
64420435005222521
7316351155440326
oct40253145741221
97772332253664
102222001210001
11787388834771
122ba77b861a41
131316c2a3a1b1
147978c948b4d
153cbecc1dd51
hex2055997c291

2222001210001 has 4 divisors (see below), whose sum is σ = 2222050574772. Its totient is φ = 2221951845232.

The previous prime is 2222001209929. The next prime is 2222001210031. The reversal of 2222001210001 is 1000121002222.

It is a happy number.

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 637121643601 + 1584879566400 = 798199^2 + 1258920^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222001210001 - 29 = 2222001209489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222001210031) 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, 24614806 + ... + 24704911.

It is an arithmetic number, because the mean of its divisors is an integer number (555512643693).

Almost surely, 22222001210001 is an apocalyptic number.

It is an amenable number.

2222001210001 is a deficient number, since it is larger than the sum of its proper divisors (49364771).

2222001210001 is an equidigital number, since it uses as much as digits as its factorization.

2222001210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49364770.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2222001210001 its reverse (1000121002222), we get a palindrome (3222122212223).

The spelling of 2222001210001 in words is "two trillion, two hundred twenty-two billion, one million, two hundred ten thousand, one".

Divisors: 1 45053 49319717 2222001210001