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2201212002101 = 73723946497649
BaseRepresentation
bin100000000010000010011…
…101011001111100110101
321210102201020201121210012
4200002002131121330311
5242031040233031401
64403120044310005
7315014041205630
oct40020235317465
97712636647705
102201212002101
1177958a876112
122b6739542305
1312c75b9ba948
1478779906c17
153c3d2a5d8bb
hex20082759f35

2201212002101 has 32 divisors (see below), whose sum is σ = 2595369600000. Its totient is φ = 1827446648832.

The previous prime is 2201212002083. The next prime is 2201212002127. The reversal of 2201212002101 is 1012002121022.

It is a de Polignac number, because none of the positive numbers 2k-2201212002101 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 (2201212002151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287773925 + ... + 287781573.

It is an arithmetic number, because the mean of its divisors is an integer number (81105300000).

Almost surely, 22201212002101 is an apocalyptic number.

It is an amenable number.

2201212002101 is a deficient number, since it is larger than the sum of its proper divisors (394157597899).

2201212002101 is a wasteful number, since it uses less digits than its factorization.

2201212002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12581.

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

Adding to 2201212002101 its reverse (1012002121022), we get a palindrome (3213214123123).

It can be divided in two parts, 220121 and 2002101, that added together give a palindrome (2222222).

The spelling of 2201212002101 in words is "two trillion, two hundred one billion, two hundred twelve million, two thousand, one hundred one".

Divisors: 1 7 37 239 259 1673 4649 7649 8843 32543 53543 61901 172013 283013 1111111 1204091 1828111 1981091 7777777 12796777 35560201 41111107 67640107 248921407 287777749 473480749 1315727437 8498888039 9210092059 59492216273 314458857443 2201212002101