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112221012210101 = 181620005592321
BaseRepresentation
bin11001100001000001111101…
…100100011011000110110101
3112201100020001021212012001022
4121201001331210123012311
5104202112113111210401
61034401342111310525
732431462204022444
oct3141017544330665
9481306037765038
10112221012210101
1132836733884673
1210705225b1b445
134a8051c1532c2
141d9d7513a2d5b
15ce91d56c471b
hex66107d91b1b5

112221012210101 has 4 divisors (see below), whose sum is σ = 112841017802604. Its totient is φ = 111601006617600.

The previous prime is 112221012210071. The next prime is 112221012210107. The reversal of 112221012210101 is 101012210122211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38306567992900 + 73914444217201 = 6189230^2 + 8597351^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221012210101 - 230 = 112219938468277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112221012210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221012210107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310002795980 + ... + 310002796341.

It is an arithmetic number, because the mean of its divisors is an integer number (28210254450651).

Almost surely, 2112221012210101 is an apocalyptic number.

It is an amenable number.

112221012210101 is a deficient number, since it is larger than the sum of its proper divisors (620005592503).

112221012210101 is an equidigital number, since it uses as much as digits as its factorization.

112221012210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620005592502.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112221012210101 its reverse (101012210122211), we get a palindrome (213233222332312).

The spelling of 112221012210101 in words is "one hundred twelve trillion, two hundred twenty-one billion, twelve million, two hundred ten thousand, one hundred one".

Divisors: 1 181 620005592321 112221012210101