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102010102212221 = 747310061100949
BaseRepresentation
bin10111001100011100010011…
…111001111110011001111101
3111101012001220102020221011222
4113030130103321332121331
5101332313142131242341
61000542443301123125
730325662300060140
oct2714342371763175
9441161812227158
10102010102212221
112a55a272334585
12b5362a89b94a5
1344bc685604188
141b2945b230057
15bbd7b45ea44b
hex5cc713e7e67d

102010102212221 has 8 divisors (see below), whose sum is σ = 119063462764800. Its totient is φ = 85576863861648.

The previous prime is 102010102212157. The next prime is 102010102212223. The reversal of 102010102212221 is 122212201010201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102010102212221 - 26 = 102010102212157 is a prime.

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 102010102212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010102212223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155030550146 + ... + 155030550803.

It is an arithmetic number, because the mean of its divisors is an integer number (14882932845600).

Almost surely, 2102010102212221 is an apocalyptic number.

It is an amenable number.

102010102212221 is a deficient number, since it is larger than the sum of its proper divisors (17053360552579).

102010102212221 is an equidigital number, since it uses as much as digits as its factorization.

102010102212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310061101003.

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

Adding to 102010102212221 its reverse (122212201010201), we get a palindrome (224222303222422).

The spelling of 102010102212221 in words is "one hundred two trillion, ten billion, one hundred two million, two hundred twelve thousand, two hundred twenty-one".

Divisors: 1 7 47 329 310061100949 2170427706643 14572871744603 102010102212221