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222101221222101 = 31350953857207743
BaseRepresentation
bin110010011111111111111000…
…011001010010011011010101
31002010101200001222112021020010
4302133333320121102123111
5213102401300113101401
62104211520434430433
764532166211130334
oct6237777031223325
91063350058467203
10222101221222101
116484a665238531
1220ab0855732419
1396c109462b630
143cbba83a47d1b
151aa256846aed6
hexc9fff86526d5

222101221222101 has 32 divisors (see below), whose sum is σ = 319548596613120. Its totient is φ = 136405963229184.

The previous prime is 222101221222087. The next prime is 222101221222123. The reversal of 222101221222101 is 101222122101222.

It is not a de Polignac number, because 222101221222101 - 215 = 222101221189333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101221222901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1069011436 + ... + 1069219178.

It is an arithmetic number, because the mean of its divisors is an integer number (9985893644160).

Almost surely, 2222101221222101 is an apocalyptic number.

It is an amenable number.

222101221222101 is a deficient number, since it is larger than the sum of its proper divisors (97447375391019).

222101221222101 is a wasteful number, since it uses less digits than its factorization.

222101221222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262125.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222101221222101 its reverse (101222122101222), we get a palindrome (323323343323323).

The spelling of 222101221222101 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 3 13 39 509 1527 6617 19851 53857 161571 207743 623229 700141 2100423 2700659 8101977 27413213 82239639 105741187 317223561 356371769 1069115307 1374635431 4123906293 11188414751 33565244253 145449391763 436348175289 5694903108259 17084709324777 74033740407367 222101221222101