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2021111004211 = 131097141722951
BaseRepresentation
bin11101011010010011100…
…110100111110000110011
321011012211200220222110221
4131122103212213300303
5231103213404113321
64144252515033511
7266010005036215
oct35322346476063
97135750828427
102021111004211
1170a16a520802
12287855b9b897
13118789173640
146db7253a5b5
1537891554e41
hex1d6939a7c33

2021111004211 has 8 divisors (see below), whose sum is σ = 2178565218144. Its totient is φ = 1863940238400.

The previous prime is 2021111004203. The next prime is 2021111004229. The reversal of 2021111004211 is 1124001111202.

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 2021111004211 - 23 = 2021111004203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021111004911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70847215 + ... + 70875736.

It is an arithmetic number, because the mean of its divisors is an integer number (272320652268).

Almost surely, 22021111004211 is an apocalyptic number.

2021111004211 is a deficient number, since it is larger than the sum of its proper divisors (157454213933).

2021111004211 is a wasteful number, since it uses less digits than its factorization.

2021111004211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141724061.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2021111004211 its reverse (1124001111202), we get a palindrome (3145112115413).

The spelling of 2021111004211 in words is "two trillion, twenty-one billion, one hundred eleven million, four thousand, two hundred eleven".

Divisors: 1 13 1097 14261 141722951 1842398363 155470077247 2021111004211