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10102210120221 = 38579127430513
BaseRepresentation
bin1001001100000001101010…
…1001010100101000011101
31022202202120101121100001120
42103000122221110220131
52311003311242321341
633252520302401153
72061601120132062
oct223003251245035
938682511540046
1010102210120221
11324536128115a
121171a618901b9
13583832800abb
1426cd41902c69
15127bad1e8066
hex9301aa54a1d

10102210120221 has 16 divisors (see below), whose sum is σ = 13486839510144. Its totient is φ = 6726195500544.

The previous prime is 10102210120213. The next prime is 10102210120243. The reversal of 10102210120221 is 12202101220101.

It is not a de Polignac number, because 10102210120221 - 23 = 10102210120213 is a prime.

It is a super-3 number, since 3×101022101202213 (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10102210120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102210127221) 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, 23250261 + ... + 23680773.

It is an arithmetic number, because the mean of its divisors is an integer number (842927469384).

Almost surely, 210102210120221 is an apocalyptic number.

It is an amenable number.

10102210120221 is a deficient number, since it is larger than the sum of its proper divisors (3384629389923).

10102210120221 is an equidigital number, since it uses as much as digits as its factorization.

10102210120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440500.

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

Adding to 10102210120221 its reverse (12202101220101), we get a palindrome (22304311340322).

The spelling of 10102210120221 in words is "ten trillion, one hundred two billion, two hundred ten million, one hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 857 2571 9127 27381 430513 1291539 7821839 23465517 368949641 1106848923 3929292151 11787876453 3367403373407 10102210120221