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10000110212221 = 28513507579871
BaseRepresentation
bin1001000110000101010100…
…0001000101010001111101
31022102000000212121121120111
42101201111001011101331
52302320211203242341
633133553123150021
72051325024211603
oct221412501052175
938360025547514
1010000110212221
1132060285700a8
121156108815311
13577010c3635c
14268017a1b873
151251d4963681
hex9185504547d

10000110212221 has 4 divisors (see below), whose sum is σ = 10003617794944. Its totient is φ = 9996602629500.

The previous prime is 10000110212219. The next prime is 10000110212237. The reversal of 10000110212221 is 12221201100001.

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 10000110212221 - 21 = 10000110212219 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 (10000110212201) 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, 1753787085 + ... + 1753792786.

It is an arithmetic number, because the mean of its divisors is an integer number (2500904448736).

Almost surely, 210000110212221 is an apocalyptic number.

It is an amenable number.

10000110212221 is a deficient number, since it is larger than the sum of its proper divisors (3507582723).

10000110212221 is an equidigital number, since it uses as much as digits as its factorization.

10000110212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507582722.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10000110212221 its reverse (12221201100001), we get a palindrome (22221311312222).

The spelling of 10000110212221 in words is "ten trillion, one hundred ten million, two hundred twelve thousand, two hundred twenty-one".

Divisors: 1 2851 3507579871 10000110212221