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121200120201102 = 23106321189990877
BaseRepresentation
bin11011100011101100011010…
…000111000111111110001110
3120220010121200202122222211120
4123203230122013013332032
5111341220321232413402
61105434322213501410
734346263651446555
oct3343543207077616
9526117622588746
10121200120201102
113568875619a158
121171548b041866
1352821788abc97
1421d018d526d9c
15e02a5eb863bc
hex6e3b1a1c7f8e

121200120201102 has 16 divisors (see below), whose sum is σ = 242402521568592. Its totient is φ = 40399659872640.

The previous prime is 121200120201049. The next prime is 121200120201107. The reversal of 121200120201102 is 201102021002121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200120201107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94357513 + ... + 95633364.

It is an arithmetic number, because the mean of its divisors is an integer number (15150157598037).

Almost surely, 2121200120201102 is an apocalyptic number.

121200120201102 is an abundant number, since it is smaller than the sum of its proper divisors (121202401367490).

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

121200120201102 is a wasteful number, since it uses less digits than its factorization.

121200120201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190097203.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121200120201102 its reverse (201102021002121), we get a palindrome (322302141203223).

The spelling of 121200120201102 in words is "one hundred twenty-one trillion, two hundred billion, one hundred twenty million, two hundred one thousand, one hundred two".

Divisors: 1 2 3 6 106321 212642 318963 637926 189990877 379981754 569972631 1139945262 20200020033517 40400040067034 60600060100551 121200120201102