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102102122101 = 741355756523
BaseRepresentation
bin101111100010111000…
…0101011111001110101
3100202112200011012122211
41133011300223321311
53133101120401401
6114523254453421
710243120501240
oct1370560537165
9322480135584
10102102122101
113a334a935a1
1217955964271
139822191485
144d28300257
1529c8a70951
hex17c5c2be75

102102122101 has 8 divisors (see below), whose sum is σ = 119534192064. Its totient is φ = 85381565280.

The previous prime is 102102122033. The next prime is 102102122147. The reversal of 102102122101 is 101221201201.

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 102102122101 - 223 = 102093733493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102122191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177877975 + ... + 177878548.

It is an arithmetic number, because the mean of its divisors is an integer number (14941774008).

Almost surely, 2102102122101 is an apocalyptic number.

It is an amenable number.

102102122101 is a deficient number, since it is larger than the sum of its proper divisors (17432069963).

102102122101 is an equidigital number, since it uses as much as digits as its factorization.

102102122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355756571.

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

Adding to 102102122101 its reverse (101221201201), we get a palindrome (203323323302).

The spelling of 102102122101 in words is "one hundred two billion, one hundred two million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 7 41 287 355756523 2490295661 14586017443 102102122101