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102101201212101 = 37131813975204741
BaseRepresentation
bin10111001101110001001001…
…110101000101001011000101
3111101111210001021002121201120
4113031301021311011023011
5101340311230002241401
61001052351100544153
730335365642563030
oct2715611165051305
9441453037077646
10102101201212101
112a594970347533
12b54ba91852059
1344c8143016b30
141b2da2008a017
15bc0d471b1836
hex5cdc49d452c5

102101201212101 has 64 divisors (see below), whose sum is σ = 168900789797376. Its totient is φ = 53423116876800.

The previous prime is 102101201212093. The next prime is 102101201212103. The reversal of 102101201212101 is 101212102101201.

It is a happy number.

It is not a de Polignac number, because 102101201212101 - 23 = 102101201212093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101201212103) 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 63 ways as a sum of consecutive naturals, for example, 17014591 + ... + 22219331.

It is an arithmetic number, because the mean of its divisors is an integer number (2639074840584).

Almost surely, 2102101201212101 is an apocalyptic number.

It is an amenable number.

102101201212101 is a deficient number, since it is larger than the sum of its proper divisors (66799588585275).

102101201212101 is a wasteful number, since it uses less digits than its factorization.

102101201212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205342.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102101201212101 its reverse (101212102101201), we get a palindrome (203313303313302).

The spelling of 102101201212101 in words is "one hundred two trillion, one hundred one billion, two hundred one million, two hundred twelve thousand, one hundred one".

Divisors: 1 3 7 13 21 39 91 181 273 397 543 1191 1267 2353 2779 3801 5161 7059 8337 15483 16471 36127 49413 71857 108381 215571 502999 934141 1508997 2802423 5204741 6538987 15614223 19616961 36433187 67661633 109299561 202984899 473631431 942058121 1420894293 2066282177 2826174363 6198846531 6594406847 12246755573 14463975239 19783220541 26861668301 36740266719 43391925717 80585004903 85727289011 188031678107 257181867033 373997074037 564095034321 1121991222111 2617979518259 4861961962481 7853938554777 14585885887443 34033733737367 102101201212101