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2122020110101 = 54110321380041
BaseRepresentation
bin11110111000010010010…
…000010011111100010101
321111212022020012200120011
4132320102100103330111
5234231344122010401
64302501555240221
7306211431220213
oct36702220237425
97455266180504
102122020110101
11748a42038591
122a33182a9071
1312514b117358
14749c6207cb3
153a2ea4b9451
hex1ee12413f15

2122020110101 has 8 divisors (see below), whose sum is σ = 2126154090008. Its totient is φ = 2117886912000.

The previous prime is 2122020110071. The next prime is 2122020110113. The reversal of 2122020110101 is 1010110202212.

It can be written as a sum of positive squares in 4 ways, for example, as 47702928100 + 2074317182001 = 218410^2 + 1440249^2 .

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 2122020110101 - 233 = 2113430175509 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 (2122020110131) 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, 5393641 + ... + 5773681.

It is an arithmetic number, because the mean of its divisors is an integer number (265769261251).

Almost surely, 22122020110101 is an apocalyptic number.

It is an amenable number.

2122020110101 is a deficient number, since it is larger than the sum of its proper divisors (4133979907).

2122020110101 is a wasteful number, since it uses less digits than its factorization.

2122020110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390903.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2122020110101 its reverse (1010110202212), we get a palindrome (3132130312313).

The spelling of 2122020110101 in words is "two trillion, one hundred twenty-two billion, twenty million, one hundred ten thousand, one hundred one".

Divisors: 1 541 10321 380041 5583661 205602181 3922403161 2122020110101