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121120020012201 = 3719303558947399
BaseRepresentation
bin11011100010100001110011…
…110001001001110010101001
3120212211221221110000210111120
4123202201303301021302221
5111333412300110342301
61105333434040445453
734340430002205210
oct3342416361116251
9525757843023446
10121120020012201
1135657791782731
1211701a55779889
135277751a986c2
1421ca35134c077
15e009229c6e36
hex6e2873c49ca9

121120020012201 has 16 divisors (see below), whose sum is σ = 194277726336000. Its totient is φ = 65568732637968.

The previous prime is 121120020012193. The next prime is 121120020012203. The reversal of 121120020012201 is 102210020021121.

It is not a de Polignac number, because 121120020012201 - 23 = 121120020012193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121120020012203) 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, 151779473301 + ... + 151779474098.

It is an arithmetic number, because the mean of its divisors is an integer number (12142357896000).

Almost surely, 2121120020012201 is an apocalyptic number.

It is an amenable number.

121120020012201 is a deficient number, since it is larger than the sum of its proper divisors (73157706323799).

121120020012201 is a wasteful number, since it uses less digits than its factorization.

121120020012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303558947428.

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

Adding to 121120020012201 its reverse (102210020021121), we get a palindrome (223330040033322).

The spelling of 121120020012201 in words is "one hundred twenty-one trillion, one hundred twenty billion, twenty million, twelve thousand, two hundred one".

Divisors: 1 3 7 19 21 57 133 399 303558947399 910676842197 2124912631793 5767620000581 6374737895379 17302860001743 40373340004067 121120020012201