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BaseRepresentation
bin11001001111100101011110…
…111010110110100000001001
3112120002121201011011202212022
4121033211132322312200021
5104022441432220321301
61032042521234454225
732246042444262161
oct3117453672664011
9476077634152768
10111022202120201
1132414284832659
1210550a1aa34375
1349c446c239318
141d5b708cdd5a1
15cc7e201ced1b
hex64f95eeb6809

111022202120201 has 4 divisors (see below), whose sum is σ = 111133558392132. Its totient is φ = 110910845848272.

The previous prime is 111022202120083. The next prime is 111022202120287. The reversal of 111022202120201 is 102021202220111.

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 54183570180601 + 56838631939600 = 7360949^2 + 7539140^2 .

It is a cyclic number.

It is not a de Polignac number, because 111022202120201 - 234 = 111005022251017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111022202120201.

It is not an unprimeable number, because it can be changed into a prime (111022202122201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55678134470 + ... + 55678136463.

It is an arithmetic number, because the mean of its divisors is an integer number (27783389598033).

Almost surely, 2111022202120201 is an apocalyptic number.

It is an amenable number.

111022202120201 is a deficient number, since it is larger than the sum of its proper divisors (111356271931).

111022202120201 is an equidigital number, since it uses as much as digits as its factorization.

111022202120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111356271930.

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

Adding to 111022202120201 its reverse (102021202220111), we get a palindrome (213043404340312).

The spelling of 111022202120201 in words is "one hundred eleven trillion, twenty-two billion, two hundred two million, one hundred twenty thousand, two hundred one".

Divisors: 1 997 111356270933 111022202120201