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101212202102201 = 1922946150459491
BaseRepresentation
bin10111000000110101001101…
…010110100110110110111001
3111021100210101101102122201022
4113000311031112212312321
5101231230042214232301
6555132124352432225
730214224502043261
oct2700651526466671
9437323341378638
10101212202102201
112a281943543253
12b427729848675
134462367707568
141adc9a7b267a1
15ba7b6584cd1b
hex5c0d4d5a6db9

101212202102201 has 16 divisors (see below), whose sum is σ = 107236512398400. Its totient is φ = 95259443601600.

The previous prime is 101212202102183. The next prime is 101212202102203. The reversal of 101212202102201 is 102201202212101.

It is not a de Polignac number, because 101212202102201 - 226 = 101212134993337 is a prime.

It is a super-3 number, since 3×1012122021022013 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101212202102201.

It is not an unprimeable number, because it can be changed into a prime (101212202102203) 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, 23223935 + ... + 27235556.

It is an arithmetic number, because the mean of its divisors is an integer number (6702282024900).

Almost surely, 2101212202102201 is an apocalyptic number.

It is an amenable number.

101212202102201 is a deficient number, since it is larger than the sum of its proper divisors (6024310296199).

101212202102201 is a wasteful number, since it uses less digits than its factorization.

101212202102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50460200.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101212202102201 its reverse (102201202212101), we get a palindrome (203413404314302).

The spelling of 101212202102201 in words is "one hundred one trillion, two hundred twelve billion, two hundred two million, one hundred two thousand, two hundred one".

Divisors: 1 19 229 461 4351 8759 105569 2005811 50459491 958730329 11555223439 23261825351 219549245341 441974681669 5326958005379 101212202102201