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102202102111 = 234443569657
BaseRepresentation
bin101111100101110111…
…0000101000101011111
3100202210122021201110011
41133023232011011133
53133302214231421
6114541225424051
710245443351164
oct1371356050537
9322718251404
10102202102111
113a386470aaa
121798333b027
139839ac8b45
144d376c806b
1529d271e4e1
hex17cbb8515f

102202102111 has 4 divisors (see below), whose sum is σ = 106645671792. Its totient is φ = 97758532432.

The previous prime is 102202102109. The next prime is 102202102129. The reversal of 102202102111 is 111201202201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102202102111 - 21 = 102202102109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102202102091 and 102202102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202102811) 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, 2221784806 + ... + 2221784851.

It is an arithmetic number, because the mean of its divisors is an integer number (26661417948).

Almost surely, 2102202102111 is an apocalyptic number.

102202102111 is a deficient number, since it is larger than the sum of its proper divisors (4443569681).

102202102111 is an equidigital number, since it uses as much as digits as its factorization.

102202102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443569680.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102202102111 its reverse (111201202201), we get a palindrome (213403304312).

The spelling of 102202102111 in words is "one hundred two billion, two hundred two million, one hundred two thousand, one hundred eleven".

Divisors: 1 23 4443569657 102202102111