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2221210020101 = 291671625328219
BaseRepresentation
bin100000010100101010011…
…011110010100100000101
321212100022221112012020112
4200110222123302210011
5242343014231120401
64420224303242405
7316322440436252
oct40245233624405
97770287465215
102221210020101
11787012171016
122ba59a8a9405
131315c7b503a7
1479715834429
153cba35373bb
hex2052a6f2905

2221210020101 has 16 divisors (see below), whose sum is σ = 2311786915200. Its totient is φ = 2131567854528.

The previous prime is 2221210020059. The next prime is 2221210020121. The reversal of 2221210020101 is 1010200121222.

It is a cyclic number.

It is not a de Polignac number, because 2221210020101 - 214 = 2221210003717 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 (2221210020121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78699170 + ... + 78727388.

It is an arithmetic number, because the mean of its divisors is an integer number (144486682200).

Almost surely, 22221210020101 is an apocalyptic number.

It is an amenable number.

2221210020101 is a deficient number, since it is larger than the sum of its proper divisors (90576895099).

2221210020101 is a wasteful number, since it uses less digits than its factorization.

2221210020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44668.

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

Adding to 2221210020101 its reverse (1010200121222), we get a palindrome (3231410141323).

The spelling of 2221210020101 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, twenty thousand, one hundred one".

Divisors: 1 29 167 4843 16253 28219 471337 818351 2714251 4712573 78713279 136664617 458643407 13300658803 76593448969 2221210020101