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2201223012101 = 3946155782241
BaseRepresentation
bin100000000010000011000…
…111011001111100000101
321210102202000102222122222
4200002003013121330011
5242031101042341401
64403121120302125
7315014233613021
oct40020307317405
97712660388588
102201223012101
11779596006093
122b6741171945
1312c761074139
147877b171381
153c3d39d5c1b
hex200831d9f05

2201223012101 has 4 divisors (see below), whose sum is σ = 2201278833804. Its totient is φ = 2201167190400.

The previous prime is 2201223012083. The next prime is 2201223012127. The reversal of 2201223012101 is 1012103221022.

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 957442680100 + 1243780332001 = 978490^2 + 1115249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2201223012101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201223012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201223032101) 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, 27851660 + ... + 27930581.

It is an arithmetic number, because the mean of its divisors is an integer number (550319708451).

Almost surely, 22201223012101 is an apocalyptic number.

It is an amenable number.

2201223012101 is a deficient number, since it is larger than the sum of its proper divisors (55821703).

2201223012101 is an equidigital number, since it uses as much as digits as its factorization.

2201223012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55821702.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2201223012101 its reverse (1012103221022), we get a palindrome (3213326233123).

The spelling of 2201223012101 in words is "two trillion, two hundred one billion, two hundred twenty-three million, twelve thousand, one hundred one".

Divisors: 1 39461 55782241 2201223012101