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211130221122 = 23212792357927
BaseRepresentation
bin1100010010100001010…
…1111000001001000010
3202011222000202111112100
43010220111320021002
511424343314033442
6240554125211230
721153001161162
oct3045025701102
9664860674470
10211130221122
11815a3562057
1234b03100b16
1316ba920bb32
14a30c3ac5a2
15575a68784c
hex3128578242

211130221122 has 24 divisors (see below), whose sum is σ = 461050776576. Its totient is φ = 69822592056.

The previous prime is 211130221109. The next prime is 211130221153. The reversal of 211130221122 is 221122031112.

211130221122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2111302211222 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211130221095 and 211130221104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46176678 + ... + 46181249.

It is an arithmetic number, because the mean of its divisors is an integer number (19210449024).

Almost surely, 2211130221122 is an apocalyptic number.

211130221122 is an abundant number, since it is smaller than the sum of its proper divisors (249920555454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211130221122 is a wasteful number, since it uses less digits than its factorization.

211130221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92358062 (or 92358059 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211130221122 its reverse (221122031112), we get a palindrome (432252252234).

The spelling of 211130221122 in words is "two hundred eleven billion, one hundred thirty million, two hundred twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 127 254 381 762 1143 2286 92357927 184715854 277073781 554147562 831221343 1662442686 11729456729 23458913458 35188370187 70376740374 105565110561 211130221122