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221111302214 = 21131016431279
BaseRepresentation
bin1100110111101101000…
…0101011100001000110
3210010201121220221210102
43031323100223201012
512110313443132324
6245324354324102
721655226026025
oct3157320534106
9703647827712
10221111302214
1185855625000
1236a29889632
1317b0a003c8a
14a9b7c088bc
155b41a59dae
hex337b42b846

221111302214 has 64 divisors (see below), whose sum is σ = 369282170880. Its totient is φ = 99277596000.

The previous prime is 221111302211. The next prime is 221111302289. The reversal of 221111302214 is 412203111122.

221111302214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221111302211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172877627 + ... + 172878905.

It is an arithmetic number, because the mean of its divisors is an integer number (5770033920).

Almost surely, 2221111302214 is an apocalyptic number.

221111302214 is a deficient number, since it is larger than the sum of its proper divisors (148170868666).

221111302214 is a wasteful number, since it uses less digits than its factorization.

221111302214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 221111302214 its reverse (412203111122), we get a palindrome (633314413336).

It can be divided in two parts, 221111 and 302214, that added together give a palindrome (523325).

The spelling of 221111302214 in words is "two hundred twenty-one billion, one hundred eleven million, three hundred two thousand, two hundred fourteen".

Divisors: 1 2 11 22 101 121 202 242 643 1111 1279 1286 1331 2222 2558 2662 7073 12221 14069 14146 24442 28138 64943 77803 129179 129886 134431 154759 155606 258358 268862 309518 714373 822397 855833 1420969 1428746 1644794 1702349 1711666 2841938 3404698 7858103 9046367 15630659 15716206 18092734 31261318 83062097 86439133 99510037 166124194 171937249 172878266 199020074 343874498 913683067 1094610407 1827366134 2189220814 10050513737 20101027474 110555651107 221111302214