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10201210200221 = 40583251366587
BaseRepresentation
bin1001010001110010011110…
…0000101010000010011101
31100010020002212201110221012
42110130213200222002131
52314114034302401341
633410212105545005
72102004333001655
oct224344740520235
940106085643835
1010201210200221
113283344238597
1211890907a5165
1358cc7c1008b1
14273a53c37365
1512a55476a0eb
hex9472782a09d

10201210200221 has 4 divisors (see below), whose sum is σ = 10201461607392. Its totient is φ = 10200958793052.

The previous prime is 10201210200191. The next prime is 10201210200257. The reversal of 10201210200221 is 12200201210201.

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 a de Polignac number, because none of the positive numbers 2k-10201210200221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201210200196 and 10201210200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201210200271) 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 3 ways as a sum of consecutive naturals, for example, 125642711 + ... + 125723876.

It is an arithmetic number, because the mean of its divisors is an integer number (2550365401848).

Almost surely, 210201210200221 is an apocalyptic number.

It is an amenable number.

10201210200221 is a deficient number, since it is larger than the sum of its proper divisors (251407171).

10201210200221 is an equidigital number, since it uses as much as digits as its factorization.

10201210200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251407170.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10201210200221 its reverse (12200201210201), we get a palindrome (22401411410422).

The spelling of 10201210200221 in words is "ten trillion, two hundred one billion, two hundred ten million, two hundred thousand, two hundred twenty-one".

Divisors: 1 40583 251366587 10201210200221