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111222201120101 = 237172479398251
BaseRepresentation
bin11001010010011111101111…
…110010011111010101100101
3112120210201221102120122110222
4121102133233302133111211
5104034231031441320401
61032314435051254125
732266352553602351
oct3122375762372545
9476721842518428
10111222201120101
1132491085a80425
121058373614a345
134a0a293298206
141d6727cc00461
15ccd228507c1b
hex6527efc9f565

111222201120101 has 16 divisors (see below), whose sum is σ = 117708820697088. Its totient is φ = 104873568030000.

The previous prime is 111222201120091. The next prime is 111222201120103. The reversal of 111222201120101 is 101021102222111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111222201120101 is a prime.

It is a super-2 number, since 2×1112222011201012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111222201120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222201120103) 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 15 ways as a sum of consecutive naturals, for example, 7135226 + ... + 16533476.

It is an arithmetic number, because the mean of its divisors is an integer number (7356801293568).

Almost surely, 2111222201120101 is an apocalyptic number.

It is an amenable number.

111222201120101 is a deficient number, since it is larger than the sum of its proper divisors (6486619576987).

111222201120101 is an equidigital number, since it uses as much as digits as its factorization.

111222201120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9405592.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111222201120101 its reverse (101021102222111), we get a palindrome (212243303342212).

The spelling of 111222201120101 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty thousand, one hundred one".

Divisors: 1 23 71 1633 7247 166681 514537 9398251 11834351 216159773 667275821 15347343883 68109124997 1566509874931 4835747874787 111222201120101