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2124224022101 = 18111736044321
BaseRepresentation
bin11110111010010101100…
…111100100011001010101
321112001222211021000110112
4132322111213210121111
5234300402322201401
64303504404532405
7306320152161506
oct36722547443125
97461884230415
102124224022101
1174997309a265
122a38323b1105
1312540c8b84ac
1474b54bc2bad
153a3c8c0a3bb
hex1ee959e4655

2124224022101 has 4 divisors (see below), whose sum is σ = 2135960066604. Its totient is φ = 2112487977600.

The previous prime is 2124224022091. The next prime is 2124224022113. The reversal of 2124224022101 is 1012204224212.

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 1125453643876 + 998770378225 = 1060874^2 + 999385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2124224022101 is a prime.

It is a super-4 number, since 4×21242240221014 (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124224022191) 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, 5868021980 + ... + 5868022341.

It is an arithmetic number, because the mean of its divisors is an integer number (533990016651).

Almost surely, 22124224022101 is an apocalyptic number.

It is an amenable number.

2124224022101 is a deficient number, since it is larger than the sum of its proper divisors (11736044503).

2124224022101 is a wasteful number, since it uses less digits than its factorization.

2124224022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11736044502.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 2124224022101 its reverse (1012204224212), we get a palindrome (3136428246313).

The spelling of 2124224022101 in words is "two trillion, one hundred twenty-four billion, two hundred twenty-four million, twenty-two thousand, one hundred one".

Divisors: 1 181 11736044321 2124224022101