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12210101002221 = 35504973934743
BaseRepresentation
bin1011000110101110001010…
…1110111001111111101101
31121020021101221011212102020
42301223202232321333231
53100022241324032341
641545124251420353
72400102454036413
oct261534256717755
947207357155366
1012210101002221
113988302776521
1214524961546b9
136a753b600c45
14302d873d52b3
1516292d054566
hexb1ae2bb9fed

12210101002221 has 8 divisors (see below), whose sum is σ = 16280430628800. Its totient is φ = 8139919355232.

The previous prime is 12210101002213. The next prime is 12210101002241. The reversal of 12210101002221 is 12220010101221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12210101002221 - 23 = 12210101002213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12210101002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210101002241) 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, 36802225 + ... + 37132518.

It is an arithmetic number, because the mean of its divisors is an integer number (2035053828600).

Almost surely, 212210101002221 is an apocalyptic number.

It is an amenable number.

12210101002221 is a deficient number, since it is larger than the sum of its proper divisors (4070329626579).

12210101002221 is an equidigital number, since it uses as much as digits as its factorization.

12210101002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73989795.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12210101002221 its reverse (12220010101221), we get a palindrome (24430111103442).

The spelling of 12210101002221 in words is "twelve trillion, two hundred ten billion, one hundred one million, two thousand, two hundred twenty-one".

Divisors: 1 3 55049 165147 73934743 221804229 4070033667407 12210101002221