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121222200103 = 1014229283807
BaseRepresentation
bin111000011100101100…
…1111111101100100111
3102120220011221210211221
41300321121333230213
53441230340400403
6131404432241211
711520666462004
oct1607131775447
9376804853757
10121222200103
1147456854154
121b5b10a0207
13b57b4824b4
145c1d7b48ab
153247428dbd
hex1c3967fb27

121222200103 has 8 divisors (see below), whose sum is σ = 122451799680. Its totient is φ = 119993176800.

The previous prime is 121222200053. The next prime is 121222200133. The reversal of 121222200103 is 301002222121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121222200103 - 213 = 121222191911 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 (121222200133) 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 7 ways as a sum of consecutive naturals, for example, 285226 + ... + 569032.

It is an arithmetic number, because the mean of its divisors is an integer number (15306474960).

Almost surely, 2121222200103 is an apocalyptic number.

121222200103 is a deficient number, since it is larger than the sum of its proper divisors (1229599577).

121222200103 is a wasteful number, since it uses less digits than its factorization.

121222200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288137.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121222200103 its reverse (301002222121), we get a palindrome (422224422224).

The spelling of 121222200103 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, one hundred three".

Divisors: 1 101 4229 283807 427129 28664507 1200219803 121222200103