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2010211201221 = 35722311709809
BaseRepresentation
bin11101010000001001111…
…011001011000011000101
321010011201002000121200220
4131100021323023003011
5230413403031414341
64135251150254553
7265142623166016
oct35201173130305
97104632017626
102010211201221
117055868a9463
122857137b7459
1311773cc2b382
146d41aaad00d
15374546a8a66
hex1d409ecb0c5

2010211201221 has 8 divisors (see below), whose sum is σ = 2680328669760. Its totient is φ = 1340117266752.

The previous prime is 2010211201217. The next prime is 2010211201267. The reversal of 2010211201221 is 1221021120102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2010211201221 - 22 = 2010211201217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2010211201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010211201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5683236 + ... + 6026573.

It is an arithmetic number, because the mean of its divisors is an integer number (335041083720).

Almost surely, 22010211201221 is an apocalyptic number.

It is an amenable number.

2010211201221 is a deficient number, since it is larger than the sum of its proper divisors (670117468539).

2010211201221 is a wasteful number, since it uses less digits than its factorization.

2010211201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11767035.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2010211201221 its reverse (1221021120102), we get a palindrome (3231232321323).

The spelling of 2010211201221 in words is "two trillion, ten billion, two hundred eleven million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 3 57223 171669 11709809 35129427 670070400407 2010211201221