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2011110200221 = 17781011514713
BaseRepresentation
bin11101010000111111100…
…000100101001110011101
321010021000201122111111011
4131100333200211032131
5230422223202401341
64135520303055221
7265204120435243
oct35207740451635
97107021574434
102011110200221
117059a8307741
122859248a1511
13117854264245
146d4a4248793
15374a8588b81
hex1d43f82539d

2011110200221 has 8 divisors (see below), whose sum is σ = 2129439470904. Its totient is φ = 1892784115200.

The previous prime is 2011110200219. The next prime is 2011110200249. The reversal of 2011110200221 is 1220020111102.

It can be written as a sum of positive squares in 4 ways, for example, as 883242836100 + 1127867364121 = 939810^2 + 1062011^2 .

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 2011110200221 - 21 = 2011110200219 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 (2011110200261) 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, 570361 + ... + 2085073.

It is an arithmetic number, because the mean of its divisors is an integer number (266179933863).

Almost surely, 22011110200221 is an apocalyptic number.

It is an amenable number.

2011110200221 is a deficient number, since it is larger than the sum of its proper divisors (118329270683).

2011110200221 is a wasteful number, since it uses less digits than its factorization.

2011110200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592831.

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

Adding to 2011110200221 its reverse (1220020111102), we get a palindrome (3231130311323).

The spelling of 2011110200221 in words is "two trillion, eleven billion, one hundred ten million, two hundred thousand, two hundred twenty-one".

Divisors: 1 17 78101 1327717 1514713 25750121 118300600013 2011110200221