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211222311131222 = 2107987020145473
BaseRepresentation
bin110000000001101100000110…
…110100101101100001010110
31000200212122201000220022122122
4300001230012310231201112
5210141131243122144342
62025122105024055542
762330210530114016
oct6001540664554126
91020778630808578
10211222311131222
1161335974096586
121b8343707645b2
1390b224214b5a1
143a2330048bc46
15196459c7a84d2
hexc01b06d2d856

211222311131222 has 8 divisors (see below), whose sum is σ = 319794527133576. Its totient is φ = 104624135420032.

The previous prime is 211222311131171. The next prime is 211222311131261. The reversal of 211222311131222 is 222131113222112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112223111312222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222311131191 and 211222311131200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493510072523 + ... + 493510072950.

It is an arithmetic number, because the mean of its divisors is an integer number (39974315891697).

Almost surely, 2211222311131222 is an apocalyptic number.

211222311131222 is a deficient number, since it is larger than the sum of its proper divisors (108572216002354).

211222311131222 is a wasteful number, since it uses less digits than its factorization.

211222311131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987020145582.

The product of its digits is 1152, while the sum is 26.

Adding to 211222311131222 its reverse (222131113222112), we get a palindrome (433353424353334).

The spelling of 211222311131222 in words is "two hundred eleven trillion, two hundred twenty-two billion, three hundred eleven million, one hundred thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 107 214 987020145473 1974040290946 105611155565611 211222311131222