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211122112201 = 71113210911201
BaseRepresentation
bin1100010010011111011…
…0111100011011001001
3202011221110111112011221
43010213312330123021
511424334230042301
6240553235322041
721152542226050
oct3044766743311
9664843445157
10211122112201
1181599a23770
1234b00450321
1316ba762cc60
14a30b29b397
155759ad4da1
hex3127dbc6c9

211122112201 has 16 divisors (see below), whose sum is σ = 283464655488. Its totient is φ = 151856064000.

The previous prime is 211122112199. The next prime is 211122112247. The reversal of 211122112201 is 102211221112.

It is a cyclic number.

It is not a de Polignac number, because 211122112201 - 21 = 211122112199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211122112501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105454600 + ... + 105456601.

It is an arithmetic number, because the mean of its divisors is an integer number (17716540968).

Almost surely, 2211122112201 is an apocalyptic number.

It is an amenable number.

211122112201 is a deficient number, since it is larger than the sum of its proper divisors (72342543287).

211122112201 is a wasteful number, since it uses less digits than its factorization.

211122112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210911232.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211122112201 its reverse (102211221112), we get a palindrome (313333333313).

It can be divided in two parts, 211122 and 112201, that added together give a palindrome (323323).

The spelling of 211122112201 in words is "two hundred eleven billion, one hundred twenty-two million, one hundred twelve thousand, two hundred one".

Divisors: 1 7 11 13 77 91 143 1001 210911201 1476378407 2320023211 2741845613 16240162477 19192919291 30160301743 211122112201