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2002010222221 = 298313916735831
BaseRepresentation
bin11101001000100001000…
…110111010111010001101
321002101112112102201102221
4131020201012322322031
5230300104104102341
64131413311015341
7264432452053162
oct35104106727215
97071475381387
102002010222221
1170205863a569
1228400520a551
13116a33b7a489
146cc7d84a069
153712470ded1
hex1d2211bae8d

2002010222221 has 32 divisors (see below), whose sum is σ = 2123776972800. Its totient is φ = 1884542197440.

The previous prime is 2002010222207. The next prime is 2002010222257. The reversal of 2002010222221 is 1222220102002.

It is not a de Polignac number, because 2002010222221 - 223 = 2002001833613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002010222195 and 2002010222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002010222521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55855776 + ... + 55891606.

It is an arithmetic number, because the mean of its divisors is an integer number (66368030400).

Almost surely, 22002010222221 is an apocalyptic number.

It is an amenable number.

2002010222221 is a deficient number, since it is larger than the sum of its proper divisors (121766750579).

2002010222221 is a wasteful number, since it uses less digits than its factorization.

2002010222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36249.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2002010222221 its reverse (1222220102002), we get a palindrome (3224230324223).

The spelling of 2002010222221 in words is "two trillion, two billion, ten million, two hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 29 83 139 167 2407 4031 4843 11537 13861 23213 35831 334573 401969 673177 1039099 1926679 2973973 4980509 5983777 55873691 86245217 144434761 173529533 413382247 496653491 831745003 11988085163 14402951239 24120605087 69034835249 2002010222221