Search a number
-
+
121020002010201 = 3746112500774921
BaseRepresentation
bin11011100001000100101010…
…001110110000010001011001
3120212111101210000111212011010
4123201010222032300101121
5111330242431003311301
61105215453231524133
734330256316211560
oct3341045216602131
9525441700455133
10121020002010201
1135619327171448
12116a65a1989649
13526b1a26250b8
1421c5583b62bd7
15ded01bdd35d6
hex6e112a3b0459

121020002010201 has 16 divisors (see below), whose sum is σ = 184811456446848. Its totient is φ = 69004277558400.

The previous prime is 121020002010001. The next prime is 121020002010263. The reversal of 121020002010201 is 102010200020121.

It is not a de Polignac number, because 121020002010201 - 231 = 121017854526553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121020002010001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6250377780 + ... + 6250397141.

It is an arithmetic number, because the mean of its divisors is an integer number (11550716027928).

Almost surely, 2121020002010201 is an apocalyptic number.

It is an amenable number.

121020002010201 is a deficient number, since it is larger than the sum of its proper divisors (63791454436647).

121020002010201 is a wasteful number, since it uses less digits than its factorization.

121020002010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12500775392.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121020002010201 its reverse (102010200020121), we get a palindrome (223030202030322).

The spelling of 121020002010201 in words is "one hundred twenty-one trillion, twenty billion, two million, ten thousand, two hundred one".

Divisors: 1 3 7 21 461 1383 3227 9681 12500774921 37502324763 87505424447 262516273341 5762857238581 17288571715743 40340000670067 121020002010201