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121002101222 = 24313110740467
BaseRepresentation
bin111000010110001001…
…0011000100111100110
3102120022211210121221112
41300230102120213212
53440303014214342
6131330530545022
711512354614212
oct1605422304746
9376284717845
10121002101222
1147353593652
121b54b438172
13b5449aba82
145bdc47d942
153232e4e682
hex1c2c4989e6

121002101222 has 16 divisors (see below), whose sum is σ = 187141914432. Its totient is φ = 58642944360.

The previous prime is 121002101191. The next prime is 121002101243. The reversal of 121002101222 is 222101200121.

It is a junction number, because it is equal to n+sod(n) for n = 121002101197 and 121002101206.

It is a congruent number.

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, 5358968 + ... + 5381499.

It is an arithmetic number, because the mean of its divisors is an integer number (11696369652).

Almost surely, 2121002101222 is an apocalyptic number.

121002101222 is a deficient number, since it is larger than the sum of its proper divisors (66139813210).

121002101222 is a wasteful number, since it uses less digits than its factorization.

121002101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10740643.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121002101222 its reverse (222101200121), we get a palindrome (343103301343).

The spelling of 121002101222 in words is "one hundred twenty-one billion, two million, one hundred one thousand, two hundred twenty-two".

Divisors: 1 2 43 86 131 262 5633 11266 10740467 21480934 461840081 923680162 1407001177 2814002354 60501050611 121002101222