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220021000212101 = 1171281717029721
BaseRepresentation
bin110010000001101110100001…
…100011111000111010000101
31001212000210122210200212112112
4302001232201203320322011
5212314311002023241401
62055540130243030405
764225664331236534
oct6201564143707205
91055023583625475
10220021000212101
1164118422758580
122081566396b405
13959cb7823010a
143c49104d2c31b
151a683b78b53bb
hexc81ba18f8e85

220021000212101 has 8 divisors (see below), whose sum is σ = 243403513679808. Its totient is φ = 197201920804000.

The previous prime is 220021000212089. The next prime is 220021000212127. The reversal of 220021000212101 is 101212000120022.

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 220021000212101 - 26 = 220021000212037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021000211101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140858514080 + ... + 140858515641.

It is an arithmetic number, because the mean of its divisors is an integer number (30425439209976).

Almost surely, 2220021000212101 is an apocalyptic number.

It is an amenable number.

220021000212101 is a deficient number, since it is larger than the sum of its proper divisors (23382513467707).

220021000212101 is a wasteful number, since it uses less digits than its factorization.

220021000212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281717029803.

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

Adding to 220021000212101 its reverse (101212000120022), we get a palindrome (321233000332123).

The spelling of 220021000212101 in words is "two hundred twenty trillion, twenty-one billion, two hundred twelve thousand, one hundred one".

Divisors: 1 11 71 781 281717029721 3098887326931 20001909110191 220021000212101