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121102002103 = 2961684110007
BaseRepresentation
bin111000011001000111…
…1011110011110110111
3102120120210210010012011
41300302033132132313
53441004103031403
6131344500105051
711515010014345
oct1606217363667
9376523703164
10121102002103
11473a4a17665
121b578995187
13b55c5b9414
145c0b846995
15323bad4a6d
hex1c323de7b7

121102002103 has 16 divisors (see below), whose sum is σ = 127363008960. Its totient is φ = 114980947200.

The previous prime is 121102002101. The next prime is 121102002149. The reversal of 121102002103 is 301200201121.

It is a cyclic number.

It is not a de Polignac number, because 121102002103 - 21 = 121102002101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12096726 + ... + 12106732.

It is an arithmetic number, because the mean of its divisors is an integer number (7960188060).

Almost surely, 2121102002103 is an apocalyptic number.

121102002103 is a deficient number, since it is larger than the sum of its proper divisors (6261006857).

121102002103 is a wasteful number, since it uses less digits than its factorization.

121102002103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16938.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121102002103 its reverse (301200201121), we get a palindrome (422302203224).

The spelling of 121102002103 in words is "one hundred twenty-one billion, one hundred two million, two thousand, one hundred three".

Divisors: 1 29 61 1769 6841 10007 198389 290203 417301 610427 12101729 17702383 68457887 1985278723 4175931107 121102002103