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211122221002222 = 2715932507211137
BaseRepresentation
bin110000000000001110111000…
…111111001010110111101110
31000200112002100120122221122211
4300000032320333022313232
5210133011302034032342
62025004113121201034
762320035310054525
oct6000167077126756
91020462316587584
10211122221002222
11612a74818a1202
121b818a9879017a
1390a5980a7329a
143a1c5274894bc
151961b906b8c17
hexc003b8fcadee

211122221002222 has 16 divisors (see below), whose sum is σ = 321685217849952. Its totient is φ = 103898829475840.

The previous prime is 211122221002193. The next prime is 211122221002247. The reversal of 211122221002222 is 222200122221112.

It is a super-2 number, since 2×2111222210022222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211122221002193 and 211122221002202.

It is a congruent number.

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, 1253521363 + ... + 1253689774.

It is an arithmetic number, because the mean of its divisors is an integer number (20105326115622).

Almost surely, 2211122221002222 is an apocalyptic number.

211122221002222 is a deficient number, since it is larger than the sum of its proper divisors (110562996847730).

211122221002222 is a wasteful number, since it uses less digits than its factorization.

211122221002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507211803.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 211122221002222 its reverse (222200122221112), we get a palindrome (433322343223334).

The spelling of 211122221002222 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-one million, two thousand, two hundred twenty-two".

Divisors: 1 2 71 142 593 1186 42103 84206 2507211137 5014422274 178011990727 356023981454 1486776204241 2973552408482 105561110501111 211122221002222