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222120021001112 = 231341239217957897
BaseRepresentation
bin110010100000010001011000…
…111100110000001110011000
31002010110110121011121222210122
4302200101120330300032120
5213103203300334013422
62104224310131132412
764533433120455563
oct6240213074601630
91063413534558718
10222120021001112
116485763221a783
1220ab4421744108
1396c2a9c465320
143cbc9487834da
151aa2cb8b55d42
hexca0458f30398

222120021001112 has 64 divisors (see below), whose sum is σ = 461373278486400. Its totient is φ = 99598040156160.

The previous prime is 222120021001111. The next prime is 222120021001133. The reversal of 222120021001112 is 211100120021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120021001111) 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 15 ways as a sum of consecutive naturals, for example, 107959853 + ... + 109998044.

It is an arithmetic number, because the mean of its divisors is an integer number (7208957476350).

Almost surely, 2222120021001112 is an apocalyptic number.

It is an amenable number.

222120021001112 is an abundant number, since it is smaller than the sum of its proper divisors (239253257485288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222120021001112 is a wasteful number, since it uses less digits than its factorization.

222120021001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217958196 (or 217958192 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222120021001112 its reverse (211100120021222), we get a palindrome (433220141022334).

The spelling of 222120021001112 in words is "two hundred twenty-two trillion, one hundred twenty billion, twenty-one million, one thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 41 52 82 104 164 239 328 478 533 956 1066 1912 2132 3107 4264 6214 9799 12428 19598 24856 39196 78392 127387 254774 509548 1019096 217957897 435915794 871831588 1743663176 2833452661 5666905322 8936273777 11333810644 17872547554 22667621288 35745095108 52091937383 71490190216 104183874766 116171559101 208367749532 232343118202 416735499064 464686236404 677195185979 929372472808 1354390371958 2135769432703 2708780743916 4271538865406 5417561487832 8543077730812 17086155461624 27765002625139 55530005250278 111060010500556 222120021001112