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211002212022101 = 261673980635559
BaseRepresentation
bin101111111110011111000111…
…111001001111011101010101
31000200002121120221121002202022
4233332133013321033131111
5210124030012234201401
62024433024504222525
762305256341421153
oct5776370771173525
91020077527532668
10211002212022101
11612605989631a5
121b7b9785a6aa45
139097566a63646
143a167c0c863d3
15195d9b9a3c71b
hexbfe7c7e4f755

211002212022101 has 4 divisors (see below), whose sum is σ = 211002295274400. Its totient is φ = 211002128769804.

The previous prime is 211002212022067. The next prime is 211002212022113. The reversal of 211002212022101 is 101220212200112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211002212022101 - 242 = 206604165510997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211002212022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002212052101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37701041 + ... + 42934518.

It is an arithmetic number, because the mean of its divisors is an integer number (52750573818600).

Almost surely, 2211002212022101 is an apocalyptic number.

It is an amenable number.

211002212022101 is a deficient number, since it is larger than the sum of its proper divisors (83252299).

211002212022101 is an equidigital number, since it uses as much as digits as its factorization.

211002212022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83252298.

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

Adding to 211002212022101 its reverse (101220212200112), we get a palindrome (312222424222213).

The spelling of 211002212022101 in words is "two hundred eleven trillion, two billion, two hundred twelve million, twenty-two thousand, one hundred one".

Divisors: 1 2616739 80635559 211002212022101