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222120120210102 = 23223982954585617
BaseRepresentation
bin110010100000010001011110…
…110111001101001010110110
31002010110110212002022022221200
4302200101132313031022312
5213103204001233210402
62104224324033353330
764533435433644612
oct6240213667151266
91063413762268850
10222120120210102
1164857683220984
1220ab444aa08846
1396c2ab6b8ca7a
143cbc957a0a342
151aa2cc270121c
hexca045edcd2b6

222120120210102 has 48 divisors (see below), whose sum is σ = 502235720943840. Its totient is φ = 70813701294336.

The previous prime is 222120120210101. The next prime is 222120120210113. The reversal of 222120120210102 is 201012021021222.

It is a happy number.

222120120210102 is a `hidden beast` number, since 2 + 221 + 201 + 20 + 210 + 10 + 2 = 666.

222120120210102 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120120210101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23223603 + ... + 31362014.

It is an arithmetic number, because the mean of its divisors is an integer number (10463244186330).

Almost surely, 2222120120210102 is an apocalyptic number.

222120120210102 is an abundant number, since it is smaller than the sum of its proper divisors (280115600733738).

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

222120120210102 is a wasteful number, since it uses less digits than its factorization.

222120120210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54595477 (or 54595474 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222120120210102 its reverse (201012021021222), we get a palindrome (423132141231324).

The spelling of 222120120210102 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty million, two hundred ten thousand, one hundred two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 9829 19658 29487 58974 88461 176922 226067 452134 678201 1356402 2034603 4069206 54585617 109171234 163756851 327513702 491270553 982541106 1255469191 2510938382 3766407573 7532815146 11299222719 22598445438 536522029493 1073044058986 1609566088479 3219132176958 4828698265437 9657396530874 12340006678339 24680013356678 37020020035017 74040040070034 111060060105051 222120120210102