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222012101222101 = 283197839687179
BaseRepresentation
bin110010011110101100111000…
…011011011101111011010101
31002010002011001001112012011101
4302132230320123131323111
5213044421240403101401
62104102541251510101
764522562555463421
oct6236547033357325
91063064031465141
10222012101222101
1164815892329473
1220a975235b8331
1396b5860c1c618
143cb762b97bb81
151aa009e4ba101
hexc9eb386dded5

222012101222101 has 4 divisors (see below), whose sum is σ = 222019940937600. Its totient is φ = 222004261506604.

The previous prime is 222012101222099. The next prime is 222012101222113. The reversal of 222012101222101 is 101222101210222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222012101222101 - 21 = 222012101222099 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 (222012101226101) 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 3 ways as a sum of consecutive naturals, for example, 3919815271 + ... + 3919871908.

It is an arithmetic number, because the mean of its divisors is an integer number (55504985234400).

Almost surely, 2222012101222101 is an apocalyptic number.

It is an amenable number.

222012101222101 is a deficient number, since it is larger than the sum of its proper divisors (7839715499).

222012101222101 is an equidigital number, since it uses as much as digits as its factorization.

222012101222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839715498.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222012101222101 its reverse (101222101210222), we get a palindrome (323234202432323).

The spelling of 222012101222101 in words is "two hundred twenty-two trillion, twelve billion, one hundred one million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 28319 7839687179 222012101222101