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211210011122 = 21122917329917
BaseRepresentation
bin1100010010110100011…
…0010000000111110010
3202012011120220020211112
43010231012100013302
511430024230323442
6241010055313322
721154660321115
oct3045506200762
9665146806745
10211210011122
11816345aa500
1234b2597b842
1316bbc8c7756
14a318c1c57c
155762699082
hex312d1901f2

211210011122 has 24 divisors (see below), whose sum is σ = 348258265068. Its totient is φ = 95998050720.

The previous prime is 211210011121. The next prime is 211210011179. The reversal of 211210011122 is 221110012112.

It can be written as a sum of positive squares in 2 ways, for example, as 211203665761 + 6345361 = 459569^2 + 2519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211210011097 and 211210011106.

It is not an unprimeable number, because it can be changed into a prime (211210011121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7044908 + ... + 7074824.

Almost surely, 2211210011122 is an apocalyptic number.

211210011122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211210011122 is a deficient number, since it is larger than the sum of its proper divisors (137048253946).

211210011122 is a wasteful number, since it uses less digits than its factorization.

211210011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59114 (or 59103 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211210011122 its reverse (221110012112), we get a palindrome (432320023234).

The spelling of 211210011122 in words is "two hundred eleven billion, two hundred ten million, eleven thousand, one hundred twenty-two".

Divisors: 1 2 11 22 121 242 29173 29917 58346 59834 320903 329087 641806 658174 3529933 3619957 7059866 7239914 872768641 1745537282 9600455051 19200910102 105605005561 211210011122