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122210021122 = 2767130287869
BaseRepresentation
bin111000111010001001…
…0001110111100000010
3102200110000201022112121
41301310102032330002
54000241231133442
6132050440514454
711554323016450
oct1616422167402
9380400638477
10122210021122
1147913409762
121b827a7ba2a
13b6a8017087
145cb4a719d0
1532a4001967
hex1c7448ef02

122210021122 has 16 divisors (see below), whose sum is σ = 212629803840. Its totient is φ = 51593995728.

The previous prime is 122210021093. The next prime is 122210021149. The reversal of 122210021122 is 221120012221.

It is a happy number.

It is a super-2 number, since 2×1222100211222 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122210021096 and 122210021105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65142997 + ... + 65144872.

It is an arithmetic number, because the mean of its divisors is an integer number (13289362740).

Almost surely, 2122210021122 is an apocalyptic number.

122210021122 is a deficient number, since it is larger than the sum of its proper divisors (90419782718).

122210021122 is a wasteful number, since it uses less digits than its factorization.

122210021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130287945.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122210021122 its reverse (221120012221), we get a palindrome (343330033343).

The spelling of 122210021122 in words is "one hundred twenty-two billion, two hundred ten million, twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 7 14 67 134 469 938 130287869 260575738 912015083 1824030166 8729287223 17458574446 61105010561 122210021122