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121201121011102 = 21128171592738579
BaseRepresentation
bin11011100011101101010101…
…110000111010010110011110
3120220010201021111212102001121
4123203231111300322112132
5111341224343434323402
61105435005404401154
734346330523263146
oct3343552560722636
9526121244772047
10121201121011102
113568911a116560
121171570a2461ba
1352822a8040a52
1421d0246405926
15e02abc977837
hex6e3b55c3a59e

121201121011102 has 32 divisors (see below), whose sum is σ = 199062779385600. Its totient is φ = 54887675707200.

The previous prime is 121201121011097. The next prime is 121201121011123. The reversal of 121201121011102 is 201110121102121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42887649 + ... + 45626227.

It is an arithmetic number, because the mean of its divisors is an integer number (6220711855800).

Almost surely, 2121201121011102 is an apocalyptic number.

121201121011102 is a deficient number, since it is larger than the sum of its proper divisors (77861658374498).

121201121011102 is a wasteful number, since it uses less digits than its factorization.

121201121011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746032.

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

Adding to 121201121011102 its reverse (201110121102121), we get a palindrome (322311242113223).

The spelling of 121201121011102 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred twenty-one million, eleven thousand, one hundred two".

Divisors: 1 2 11 22 281 562 3091 6182 7159 14318 78749 157498 2011679 2738579 4023358 5477158 22128469 30124369 44256938 60248738 769540699 1539081398 8464947689 16929895378 19605487061 39210974122 215660357671 431320715342 5509141864141 11018283728282 60600560505551 121201121011102