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11220211022210 = 256118393788561
BaseRepresentation
bin1010001101000110100010…
…1100010011100110000010
31110201122022210112200002222
42203101220230103212002
52432312443010202320
635510254354011042
72235430201036331
oct243215054234602
943648283480088
1011220211022210
113636512680253
121312675b76a82
136350a4a64068
142ab0bd98dd18
15146ce417e825
hexa3468b13982

11220211022210 has 16 divisors (see below), whose sum is σ = 20527468035192. Its totient is φ = 4414509254400.

The previous prime is 11220211022143. The next prime is 11220211022233. The reversal of 11220211022210 is 1222011202211.

It can be written as a sum of positive squares in 4 ways, for example, as 2076282146761 + 9143928875449 = 1440931^2 + 3023893^2 .

It is a super-2 number, since 2×112202110222102 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9196893671 + ... + 9196894890.

Almost surely, 211220211022210 is an apocalyptic number.

11220211022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220211022210 is a deficient number, since it is larger than the sum of its proper divisors (9307257012982).

11220211022210 is a wasteful number, since it uses less digits than its factorization.

11220211022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18393788629.

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

Adding to 11220211022210 its reverse (1222011202211), we get a palindrome (12442222224421).

The spelling of 11220211022210 in words is "eleven trillion, two hundred twenty billion, two hundred eleven million, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 61 122 305 610 18393788561 36787577122 91968942805 183937885610 1122021102221 2244042204442 5610105511105 11220211022210