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121202011102122 = 23223292758480923
BaseRepresentation
bin11011100011101110001010…
…110100010101101110101010
3120220010210120112201201101200
4123203232022310111232222
5111341233204320231442
61105435234002225030
734346361552031536
oct3343561264255652
9526123515651350
10121202011102122
11356895365a0075
1211715918355176
1352823ba578122
1421d02cc702bc6
15e02b20b9834c
hex6e3b8ad15baa

121202011102122 has 24 divisors (see below), whose sum is σ = 274021938144864. Its totient is φ = 38644119481704.

The previous prime is 121202011102069. The next prime is 121202011102163. The reversal of 121202011102122 is 221201110202121.

121202011102122 is a `hidden beast` number, since 121 + 20 + 201 + 110 + 212 + 2 = 666.

It is a super-2 number, since 2×1212020111021222 (a number of 29 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 = 121202011102095 and 121202011102104.

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, 146379240048 + ... + 146379240875.

It is an arithmetic number, because the mean of its divisors is an integer number (11417580756036).

Almost surely, 2121202011102122 is an apocalyptic number.

121202011102122 is an abundant number, since it is smaller than the sum of its proper divisors (152819927042742).

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

121202011102122 is a wasteful number, since it uses less digits than its factorization.

121202011102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292758480954 (or 292758480951 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121202011102122 its reverse (221201110202121), we get a palindrome (342403121304243).

Subtracting 121202011102122 from its reverse (221201110202121), we obtain a palindrome (99999099099999).

The spelling of 121202011102122 in words is "one hundred twenty-one trillion, two hundred two billion, eleven million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 292758480923 585516961846 878275442769 1756550885538 2634826328307 5269652656614 6733445061229 13466890122458 20200335183687 40400670367374 60601005551061 121202011102122