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102111102201 = 334037034067
BaseRepresentation
bin101111100011001001…
…0111100010011111001
3100202120022001110001010
41133012102330103321
53133110420232301
6114524215144133
710243260022263
oct1370622742371
9322508043033
10102111102201
113a33a067469
1217958975049
139823cb6a44
144d2959ab33
1529c97465d6
hex17c64bc4f9

102111102201 has 4 divisors (see below), whose sum is σ = 136148136272. Its totient is φ = 68074068132.

The previous prime is 102111102187. The next prime is 102111102251. The reversal of 102111102201 is 102201111201.

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 not a de Polignac number, because 102111102201 - 217 = 102110971129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111102251) 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, 17018517031 + ... + 17018517036.

It is an arithmetic number, because the mean of its divisors is an integer number (34037034068).

Almost surely, 2102111102201 is an apocalyptic number.

It is an amenable number.

102111102201 is a deficient number, since it is larger than the sum of its proper divisors (34037034071).

102111102201 is an equidigital number, since it uses as much as digits as its factorization.

102111102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34037034070.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102111102201 its reverse (102201111201), we get a palindrome (204312213402).

The spelling of 102111102201 in words is "one hundred two billion, one hundred eleven million, one hundred two thousand, two hundred one".

Divisors: 1 3 34037034067 102111102201