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2021211112202 = 217478312428891
BaseRepresentation
bin11101011010011001100…
…100100000001100001010
321011020002200021222211022
4131122121210200030022
5231103420021042302
64144310452432442
7266012331661232
oct35323144401412
97136080258738
102021211112202
1170a210a86387
12287883618722
131187a3b24339
146db81958cc2
153789a22b8a2
hex1d69992030a

2021211112202 has 16 divisors (see below), whose sum is σ = 3210830243712. Its totient is φ = 950959231680.

The previous prime is 2021211112201. The next prime is 2021211112259. The reversal of 2021211112202 is 2022111121202.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (2021211112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6051824 + ... + 6377067.

It is an arithmetic number, because the mean of its divisors is an integer number (200676890232).

Almost surely, 22021211112202 is an apocalyptic number.

2021211112202 is a deficient number, since it is larger than the sum of its proper divisors (1189619131510).

2021211112202 is a wasteful number, since it uses less digits than its factorization.

2021211112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12433693.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2021211112202 its reverse (2022111121202), we get a palindrome (4043322233404).

The spelling of 2021211112202 in words is "two trillion, twenty-one billion, two hundred eleven million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 17 34 4783 9566 81311 162622 12428891 24857782 211291147 422582294 59447385653 118894771306 1010605556101 2021211112202