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121113202122 = 23211611682839
BaseRepresentation
bin111000011001011101…
…0001100110111001010
3102120121120212010201200
41300302322030313022
53441014434431442
6131345540125030
711515204142433
oct1606272146712
9376546763650
10121113202122
1147400277380
121b580696776
13b561a0b253
145c0d12048a
15323ca9834c
hex1c32e8cdca

121113202122 has 24 divisors (see below), whose sum is σ = 286267569120. Its totient is φ = 36700970280.

The previous prime is 121113202117. The next prime is 121113202123. The reversal of 121113202122 is 221202311121.

121113202122 is a `hidden beast` number, since 121 + 11 + 320 + 212 + 2 = 666.

121113202122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 121113202095 and 121113202104.

It is not an unprimeable number, because it can be changed into a prime (121113202123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305841222 + ... + 305841617.

It is an arithmetic number, because the mean of its divisors is an integer number (11927815380).

Almost surely, 2121113202122 is an apocalyptic number.

121113202122 is an abundant number, since it is smaller than the sum of its proper divisors (165154366998).

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

121113202122 is a wasteful number, since it uses less digits than its factorization.

121113202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611682858 (or 611682855 counting only the distinct ones).

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

Adding to 121113202122 its reverse (221202311121), we get a palindrome (342315513243).

The spelling of 121113202122 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 611682839 1223365678 1835048517 3670097034 5505145551 6728511229 11010291102 13457022458 20185533687 40371067374 60556601061 121113202122