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10121012200221 = 3131793761385481
BaseRepresentation
bin1001001101000111101101…
…0101100100001100011101
31022211120002202000221222220
42103101323111210030131
52311310313110401341
633305310120255553
72063135055152616
oct223217325441435
938746082027886
1010121012200221
11325232a59514a
12117562a6115b9
1358553ac61c20
1426dc06a7ac0d
1512840dbd9a66
hex9347b56431d

10121012200221 has 32 divisors (see below), whose sum is σ = 14617847502720. Its totient is φ = 6191857305600.

The previous prime is 10121012200199. The next prime is 10121012200259. The reversal of 10121012200221 is 12200221012101.

10121012200221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10121012200221 - 214 = 10121012183837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10121012200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121012200021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26062801 + ... + 26448281.

It is an arithmetic number, because the mean of its divisors is an integer number (456807734460).

Almost surely, 210121012200221 is an apocalyptic number.

It is an amenable number.

10121012200221 is a deficient number, since it is larger than the sum of its proper divisors (4496835302499).

10121012200221 is a wasteful number, since it uses less digits than its factorization.

10121012200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389437.

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

Adding to 10121012200221 its reverse (12200221012101), we get a palindrome (22321233212322).

The spelling of 10121012200221 in words is "ten trillion, one hundred twenty-one billion, twelve million, two hundred thousand, two hundred twenty-one".

Divisors: 1 3 13 39 179 537 2327 3761 6981 11283 48893 146679 385481 673219 1156443 2019657 5011253 8751847 15033759 26255541 69001099 207003297 897014287 1449794041 2691042861 4349382123 18847322533 56541967599 259513133339 778539400017 3373670733407 10121012200221