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210102011102101 = 409151357128111
BaseRepresentation
bin101111110001011000101111…
…101111010000001110010101
31000112220120000101202020002111
4233301120233233100032111
5210014302404320231401
62022503310442311021
762153240461022056
oct5761305757201625
91015816011666074
10210102011102101
1160a43842a12218
121b6932164b8471
1390306c478a581
1439c4dc4d1c72d
15194537ea73e51
hexbf162fbd0395

210102011102101 has 4 divisors (see below), whose sum is σ = 210153368234304. Its totient is φ = 210050653969900.

The previous prime is 210102011102077. The next prime is 210102011102147. The reversal of 210102011102101 is 101201110201012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210102011102101 - 231 = 210099863618453 is a prime.

It is a super-2 number, since 2×2101020111021012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210102011112101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25678559965 + ... + 25678568146.

It is an arithmetic number, because the mean of its divisors is an integer number (52538342058576).

Almost surely, 2210102011102101 is an apocalyptic number.

It is an amenable number.

210102011102101 is a deficient number, since it is larger than the sum of its proper divisors (51357132203).

210102011102101 is an equidigital number, since it uses as much as digits as its factorization.

210102011102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51357132202.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210102011102101 its reverse (101201110201012), we get a palindrome (311303121303113).

The spelling of 210102011102101 in words is "two hundred ten trillion, one hundred two billion, eleven million, one hundred two thousand, one hundred one".

Divisors: 1 4091 51357128111 210102011102101